Home / 440,981,937.67-661,472,906.28-164,654,731.59

Finding the Fourth Proportional to 440,981,937.67, 661,472,906.28 and 164,654,731.59

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Solution

The fourth proportional to 440,981,937.67, 661,472,906.28 and 164,654,731.59 is: 246,982,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,981,937.67 : 661,472,906.28 = 164,654,731.59 : x
  2. Step 2: Convert to fraction form
    440,981,937.67/661,472,906.28 = 164,654,731.59/x
  3. Step 3: Cross multiply
    440,981,937.67x = 661,472,906.28 × 164,654,731.59
  4. Step 4: Simplify right side
    440,981,937.67x = 108,914,643,837,590,624
  5. Step 5: Solve for x
    x = 108,914,643,837,590,624/440,981,937.67
  6. Step 6: Final answer
    x = 246,982,097.30

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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.