Home / 257,519,430.60-386,279,145.90-247,475,195.70

Finding the Fourth Proportional to 257,519,430.60, 386,279,145.90 and 247,475,195.70

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Solution

The fourth proportional to 257,519,430.60, 386,279,145.90 and 247,475,195.70 is: 371,212,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,519,430.60 : 386,279,145.90 = 247,475,195.70 : x
  2. Step 2: Convert to fraction form
    257,519,430.60/386,279,145.90 = 247,475,195.70/x
  3. Step 3: Cross multiply
    257,519,430.60x = 386,279,145.90 × 247,475,195.70
  4. Step 4: Simplify right side
    257,519,430.60x = 95,594,507,226,431,344
  5. Step 5: Solve for x
    x = 95,594,507,226,431,344/257,519,430.60
  6. Step 6: Final answer
    x = 371,212,793.55

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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.