Home / 1,286,545,253.70-1,924,948,000.17-762,195,863.64

Finding the Fourth Proportional to 1,286,545,253.70, 1,924,948,000.17 and 762,195,863.64

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Solution

The fourth proportional to 1,286,545,253.70, 1,924,948,000.17 and 762,195,863.64 is: 1,140,408,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,545,253.70 : 1,924,948,000.17 = 762,195,863.64 : x
  2. Step 2: Convert to fraction form
    1,286,545,253.70/1,924,948,000.17 = 762,195,863.64/x
  3. Step 3: Cross multiply
    1,286,545,253.70x = 1,924,948,000.17 × 762,195,863.64
  4. Step 4: Simplify right side
    1,286,545,253.70x = 1,467,187,403,451,664,128
  5. Step 5: Solve for x
    x = 1,467,187,403,451,664,128/1,286,545,253.70
  6. Step 6: Final answer
    x = 1,140,408,702.48

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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.