Home / 689,221,726.56-951,132,052.89-375,957,333.72

Finding the Fourth Proportional to 689,221,726.56, 951,132,052.89 and 375,957,333.72

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Solution

The fourth proportional to 689,221,726.56, 951,132,052.89 and 375,957,333.72 is: 518,824,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,221,726.56 : 951,132,052.89 = 375,957,333.72 : x
  2. Step 2: Convert to fraction form
    689,221,726.56/951,132,052.89 = 375,957,333.72/x
  3. Step 3: Cross multiply
    689,221,726.56x = 951,132,052.89 × 375,957,333.72
  4. Step 4: Simplify right side
    689,221,726.56x = 357,585,070,620,154,432
  5. Step 5: Solve for x
    x = 357,585,070,620,154,432/689,221,726.56
  6. Step 6: Final answer
    x = 518,824,431.73

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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.