Home / 440,981,929.92-661,472,894.66-164,654,723.84

Finding the Fourth Proportional to 440,981,929.92, 661,472,894.66 and 164,654,723.84

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Solution

The fourth proportional to 440,981,929.92, 661,472,894.66 and 164,654,723.84 is: 246,982,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,981,929.92 : 661,472,894.66 = 164,654,723.84 : x
  2. Step 2: Convert to fraction form
    440,981,929.92/661,472,894.66 = 164,654,723.84/x
  3. Step 3: Cross multiply
    440,981,929.92x = 661,472,894.66 × 164,654,723.84
  4. Step 4: Simplify right side
    440,981,929.92x = 108,914,636,793,757,072
  5. Step 5: Solve for x
    x = 108,914,636,793,757,072/440,981,929.92
  6. Step 6: Final answer
    x = 246,982,085.67

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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.