Home / 1,098,145,575.24-1,647,217,040.92-280,257,963.72

Finding the Fourth Proportional to 1,098,145,575.24, 1,647,217,040.92 and 280,257,963.72

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Solution

The fourth proportional to 1,098,145,575.24, 1,647,217,040.92 and 280,257,963.72 is: 420,386,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,145,575.24 : 1,647,217,040.92 = 280,257,963.72 : x
  2. Step 2: Convert to fraction form
    1,098,145,575.24/1,647,217,040.92 = 280,257,963.72/x
  3. Step 3: Cross multiply
    1,098,145,575.24x = 1,647,217,040.92 × 280,257,963.72
  4. Step 4: Simplify right side
    1,098,145,575.24x = 461,645,693,693,123,200
  5. Step 5: Solve for x
    x = 461,645,693,693,123,200/1,098,145,575.24
  6. Step 6: Final answer
    x = 420,386,608.21

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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.