Finding the Fourth Proportional to 506,514,043.92, 698,989,072.68 and 274,727,035.92
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Solution
The fourth proportional to 506,514,043.92, 698,989,072.68 and 274,727,035.92 is: 379,123,142.55
Step by Step Solution
- Step 1: Write the proportion equation
506,514,043.92 : 698,989,072.68 = 274,727,035.92 : x - Step 2: Convert to fraction form
506,514,043.92/698,989,072.68 = 274,727,035.92/x - Step 3: Cross multiply
506,514,043.92x = 698,989,072.68 × 274,727,035.92 - Step 4: Simplify right side
506,514,043.92x = 192,031,196,077,845,856 - Step 5: Solve for x
x = 192,031,196,077,845,856/506,514,043.92 - Step 6: Final answer
x = 379,123,142.55
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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.