Select the number that is related to the third number in the same way as the second number is related to the first number
2/5 : 0.4 : : 1/200 : ?1
0.005
2
0.05
3
0.2
4
0.002
Select the number that is related to the third number in the same way as the second number is related to the first number
2/5 : 0.4 : : 1/200 : ?