Home / 440,981,933.69-661,472,900.28-164,654,727.59

Finding the Fourth Proportional to 440,981,933.69, 661,472,900.28 and 164,654,727.59

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Solution

The fourth proportional to 440,981,933.69, 661,472,900.28 and 164,654,727.59 is: 246,982,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,981,933.69 : 661,472,900.28 = 164,654,727.59 : x
  2. Step 2: Convert to fraction form
    440,981,933.69/661,472,900.28 = 164,654,727.59/x
  3. Step 3: Cross multiply
    440,981,933.69x = 661,472,900.28 × 164,654,727.59
  4. Step 4: Simplify right side
    440,981,933.69x = 108,914,640,200,463,264
  5. Step 5: Solve for x
    x = 108,914,640,200,463,264/440,981,933.69
  6. Step 6: Final answer
    x = 246,982,091.29

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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.