Home / 485,080,132.20-727,651,691.10-255,497,620.20

Finding the Fourth Proportional to 485,080,132.20, 727,651,691.10 and 255,497,620.20

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Solution

The fourth proportional to 485,080,132.20, 727,651,691.10 and 255,497,620.20 is: 383,263,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,080,132.20 : 727,651,691.10 = 255,497,620.20 : x
  2. Step 2: Convert to fraction form
    485,080,132.20/727,651,691.10 = 255,497,620.20/x
  3. Step 3: Cross multiply
    485,080,132.20x = 727,651,691.10 × 255,497,620.20
  4. Step 4: Simplify right side
    485,080,132.20x = 185,913,275,410,555,520
  5. Step 5: Solve for x
    x = 185,913,275,410,555,520/485,080,132.20
  6. Step 6: Final answer
    x = 383,263,017.94

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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.