Home / 452,719,910.60-679,079,865.90-278,380,690.55

Finding the Fourth Proportional to 452,719,910.60, 679,079,865.90 and 278,380,690.55

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Solution

The fourth proportional to 452,719,910.60, 679,079,865.90 and 278,380,690.55 is: 417,571,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,719,910.60 : 679,079,865.90 = 278,380,690.55 : x
  2. Step 2: Convert to fraction form
    452,719,910.60/679,079,865.90 = 278,380,690.55/x
  3. Step 3: Cross multiply
    452,719,910.60x = 679,079,865.90 × 278,380,690.55
  4. Step 4: Simplify right side
    452,719,910.60x = 189,042,722,007,843,392
  5. Step 5: Solve for x
    x = 189,042,722,007,843,392/452,719,910.60
  6. Step 6: Final answer
    x = 417,571,035.83

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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.