Provide your best answer for the following math problem. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The problem is: if 0.4 of a number is equal to 0.07 of another number , the ratio of the numbers i
7 : 40
The ratio of the numbers is 5:1.