It's about 250,000 times as heavy as a Tyrannosaurus rex.
In other words, the weight of a Tyrannosaurus rex is 0.00000380 times 3,600,000,000 pounds.(for FMNH PR2081, a.k.a. "Sue") (a.k.a. Tyrannosaurus, a.k.a. T-Rex) (estimated live weight)
The notable Tyrannosaurus specimen housed at the Field Museum of Natural History in Chicago, Illinois, "Sue," is estimated to have weighed about 14,000 pounds while alive. A renowned predator in popular culture, the teeth of tyrannosaurus rex were up to 33.02 cm (13 in) long.
It's about 250,000 times as heavy as an Elephant.
In other words, the weight of an Elephant is 0.00000370 times 3,600,000,000 pounds.(for African bush elephant, Loxodonta africana) (Adult, bull)
A bull African bush elephant weighs about 13,000 pounds. Among African elephants, both males and females have tusks (whereas female Asian elephants, Elephas maximus, do not have tusks) which can grow to 3 m (10 ft) and typically weigh about 8,800 pounds
It's about 450,000 times as heavy as a Hippopotamus.
In other words, 3,600,000,000 pounds is 435,000 times the weight of a Hippopotamus, and the weight of a Hippopotamus is 0.00000230 times that amount.(Hippopotamus amphibius) (adult, male)
The average weight of an adult male hippopotamus ranges from 8,270 pounds. Appearances to the contrary, adult hippos cannot swim or float in water; they actually move by leaping and walking across lake bottoms at about 8 kph (5 mph).
It's about 600,000 times as heavy as The Tongue of a Blue Whale.
In other words, the weight of The Tongue of a Blue Whale is 0.00000170 times 3,600,000,000 pounds.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 6,000 pounds. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.
It's about 800,000 times as heavy as a Rhinoceros.
In other words, 3,600,000,000 pounds is 780,000 times the weight of a Rhinoceros, and the weight of a Rhinoceros is 0.00000130 times that amount.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 4,600 pounds. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about 850,000 times as heavy as a Giraffe.
In other words, 3,600,000,000 pounds is 846,000 times the weight of a Giraffe, and the weight of a Giraffe is 0.000001180 times that amount.(Giraffa camelopardalis reticulata) (adult, male, maximum of range)
An adult, male giraffe can weigh up to 4,250 pounds. Reaching 5.5 m (18 ft) in height by adulthood, giraffe calves can grow as much as 3 cm (1 in) per day.
It's about 1,000,000 times as heavy as a Car.
In other words, 3,600,000,000 pounds is 988,500 times the weight of a Car, and the weight of a Car is 0.0000010120 times that amount.(for 2009 Ford Taurus; automatic transmission; curb weight)
A 2009 Ford Taurus weighs 3,642 pounds. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 851 pounds.