Finding the Fourth Proportional to 360,676,337.30, 497,691,354.98 and 201,915,153.78
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Solution
The fourth proportional to 360,676,337.30, 497,691,354.98 and 201,915,153.78 is: 278,619,404.95
Step by Step Solution
- Step 1: Write the proportion equation
360,676,337.30 : 497,691,354.98 = 201,915,153.78 : x - Step 2: Convert to fraction form
360,676,337.30/497,691,354.98 = 201,915,153.78/x - Step 3: Cross multiply
360,676,337.30x = 497,691,354.98 × 201,915,153.78 - Step 4: Simplify right side
360,676,337.30x = 100,491,426,476,268,064 - Step 5: Solve for x
x = 100,491,426,476,268,064/360,676,337.30 - Step 6: Final answer
x = 278,619,404.95
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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.