Finding the Fourth Proportional to 657,598,569.74, 907,478,794.08 and 356,176,382.36
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Solution
The fourth proportional to 657,598,569.74, 907,478,794.08 and 356,176,382.36 is: 491,519,490.49
Step by Step Solution
- Step 1: Write the proportion equation
657,598,569.74 : 907,478,794.08 = 356,176,382.36 : x - Step 2: Convert to fraction form
657,598,569.74/907,478,794.08 = 356,176,382.36/x - Step 3: Cross multiply
657,598,569.74x = 907,478,794.08 × 356,176,382.36 - Step 4: Simplify right side
657,598,569.74x = 323,222,513,943,829,824 - Step 5: Solve for x
x = 323,222,513,943,829,824/657,598,569.74 - Step 6: Final answer
x = 491,519,490.49
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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.