Home / 418,255,737.80-577,189,725.39-230,079,979.71

Finding the Fourth Proportional to 418,255,737.80, 577,189,725.39 and 230,079,979.71

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Solution

The fourth proportional to 418,255,737.80, 577,189,725.39 and 230,079,979.71 is: 317,508,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,255,737.80 : 577,189,725.39 = 230,079,979.71 : x
  2. Step 2: Convert to fraction form
    418,255,737.80/577,189,725.39 = 230,079,979.71/x
  3. Step 3: Cross multiply
    418,255,737.80x = 577,189,725.39 × 230,079,979.71
  4. Step 4: Simplify right side
    418,255,737.80x = 132,799,800,306,551,680
  5. Step 5: Solve for x
    x = 132,799,800,306,551,680/418,255,737.80
  6. Step 6: Final answer
    x = 317,508,615.68

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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.