Finding the Fourth Proportional to 504,478,193.92, 696,179,599.68 and 272,691,185.92
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Solution
The fourth proportional to 504,478,193.92, 696,179,599.68 and 272,691,185.92 is: 376,313,670.12
Step by Step Solution
- Step 1: Write the proportion equation
504,478,193.92 : 696,179,599.68 = 272,691,185.92 : x - Step 2: Convert to fraction form
504,478,193.92/696,179,599.68 = 272,691,185.92/x - Step 3: Cross multiply
504,478,193.92x = 696,179,599.68 × 272,691,185.92 - Step 4: Simplify right side
504,478,193.92x = 189,842,040,650,050,048 - Step 5: Solve for x
x = 189,842,040,650,050,048/504,478,193.92 - Step 6: Final answer
x = 376,313,670.12
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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.