Question

Verify that 20, 80, 320 are in continued proportion.

Answer 1

Answer:

As you can see that the values are increasing by 4 times in each step.

Step-by-step explanation:

20×4 = 80

80×4 = 320

so the next number must be

320×4 = 1280

So these are in continued proportion.

Answer 2

Answer:

Step-by-step explanation:

1280 is the f20=80(20×4),,,,,,320=x(320×4)=1280 fourth proportion