Home / 932,454,494.28-1,286,753,404.38-514,757,789.64

Finding the Fourth Proportional to 932,454,494.28, 1,286,753,404.38 and 514,757,789.64

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Solution

The fourth proportional to 932,454,494.28, 1,286,753,404.38 and 514,757,789.64 is: 710,347,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,454,494.28 : 1,286,753,404.38 = 514,757,789.64 : x
  2. Step 2: Convert to fraction form
    932,454,494.28/1,286,753,404.38 = 514,757,789.64/x
  3. Step 3: Cross multiply
    932,454,494.28x = 1,286,753,404.38 × 514,757,789.64
  4. Step 4: Simplify right side
    932,454,494.28x = 662,366,338,250,393,984
  5. Step 5: Solve for x
    x = 662,366,338,250,393,984/932,454,494.28
  6. Step 6: Final answer
    x = 710,347,091.80

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1.5x scale

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.