Finding the Fourth Proportional to 373,313,691.80, 521,429,845 and 373,313,691.80
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Solution
The fourth proportional to 373,313,691.80, 521,429,845 and 373,313,691.80 is: 521,429,845
Step by Step Solution
- Step 1: Write the proportion equation
373,313,691.80 : 521,429,845 = 373,313,691.80 : x - Step 2: Convert to fraction form
373,313,691.80/521,429,845 = 373,313,691.80/x - Step 3: Cross multiply
373,313,691.80x = 521,429,845 × 373,313,691.80 - Step 4: Simplify right side
373,313,691.80x = 194,656,900,451,651,776 - Step 5: Solve for x
x = 194,656,900,451,651,776/373,313,691.80 - Step 6: Final answer
x = 521,429,845
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.