Finding the Fourth Proportional to 478,503,151.92, 717,345,333.18 and 183,609,894.42
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Solution
The fourth proportional to 478,503,151.92, 717,345,333.18 and 183,609,894.42 is: 275,257,749.84
Step by Step Solution
- Step 1: Write the proportion equation
478,503,151.92 : 717,345,333.18 = 183,609,894.42 : x - Step 2: Convert to fraction form
478,503,151.92/717,345,333.18 = 183,609,894.42/x - Step 3: Cross multiply
478,503,151.92x = 717,345,333.18 × 183,609,894.42 - Step 4: Simplify right side
478,503,151.92x = 131,711,700,887,859,504 - Step 5: Solve for x
x = 131,711,700,887,859,504/478,503,151.92 - Step 6: Final answer
x = 275,257,749.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.