Finding the Fourth Proportional to 907,872,305,913.30, 1,252,869,448,151.20 and 496,341,671,331.60
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Solution
The fourth proportional to 907,872,305,913.30, 1,252,869,448,151.20 and 496,341,671,331.60 is: 684,954,604,083.99
Step by Step Solution
- Step 1: Write the proportion equation
907,872,305,913.30 : 1,252,869,448,151.20 = 496,341,671,331.60 : x - Step 2: Convert to fraction form
907,872,305,913.30/1,252,869,448,151.20 = 496,341,671,331.60/x - Step 3: Cross multiply
907,872,305,913.30x = 1,252,869,448,151.20 × 496,341,671,331.60 - Step 4: Simplify right side
907,872,305,913.30x = 621,851,315,855,665,869,619,200 - Step 5: Solve for x
x = 621,851,315,855,665,869,619,200/907,872,305,913.30 - Step 6: Final answer
x = 684,954,604,083.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.