Finding the Fourth Proportional to 657,598,575.24, 907,478,801.64 and 356,176,387.88
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Solution
The fourth proportional to 657,598,575.24, 907,478,801.64 and 356,176,387.88 is: 491,519,498.09
Step by Step Solution
- Step 1: Write the proportion equation
657,598,575.24 : 907,478,801.64 = 356,176,387.88 : x - Step 2: Convert to fraction form
657,598,575.24/907,478,801.64 = 356,176,387.88/x - Step 3: Cross multiply
657,598,575.24x = 907,478,801.64 × 356,176,387.88 - Step 4: Simplify right side
657,598,575.24x = 323,222,521,645,806,208 - Step 5: Solve for x
x = 323,222,521,645,806,208/657,598,575.24 - Step 6: Final answer
x = 491,519,498.09
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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.