Finding the Fourth Proportional to 440,981,934.92, 661,472,902.16 and 164,654,728.84
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Solution
The fourth proportional to 440,981,934.92, 661,472,902.16 and 164,654,728.84 is: 246,982,093.17
Step by Step Solution
- Step 1: Write the proportion equation
440,981,934.92 : 661,472,902.16 = 164,654,728.84 : x - Step 2: Convert to fraction form
440,981,934.92/661,472,902.16 = 164,654,728.84/x - Step 3: Cross multiply
440,981,934.92x = 661,472,902.16 × 164,654,728.84 - Step 4: Simplify right side
440,981,934.92x = 108,914,641,336,032,016 - Step 5: Solve for x
x = 108,914,641,336,032,016/440,981,934.92 - Step 6: Final answer
x = 246,982,093.17
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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.