Home / 485,080,135.20-727,651,695.60-255,497,623.20

Finding the Fourth Proportional to 485,080,135.20, 727,651,695.60 and 255,497,623.20

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Solution

The fourth proportional to 485,080,135.20, 727,651,695.60 and 255,497,623.20 is: 383,263,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,080,135.20 : 727,651,695.60 = 255,497,623.20 : x
  2. Step 2: Convert to fraction form
    485,080,135.20/727,651,695.60 = 255,497,623.20/x
  3. Step 3: Cross multiply
    485,080,135.20x = 727,651,695.60 × 255,497,623.20
  4. Step 4: Simplify right side
    485,080,135.20x = 185,913,278,743,249,888
  5. Step 5: Solve for x
    x = 185,913,278,743,249,888/485,080,135.20
  6. Step 6: Final answer
    x = 383,263,022.44

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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.