In 1935, Science and Mechanics magazine noted that Congress appropriated the "stupendous sum" of $4.88 billion for an economic stimulus (the National Industrial Recovery Act, which is largely considered to be a policy failure by historians).
$4,880,000,000 may seem quaint by today's standards - but it used to be real money back then. You can take a look at the illustrated comparisons of what $4.88 billion look like over at Modern Mechanix, but I particularly like this one:
Where's my bucket? I volunteer (if I can keep some for mahself!) Link