Home / 485,080,123.20-727,651,677.60-255,497,611.20

Finding the Fourth Proportional to 485,080,123.20, 727,651,677.60 and 255,497,611.20

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Solution

The fourth proportional to 485,080,123.20, 727,651,677.60 and 255,497,611.20 is: 383,263,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,080,123.20 : 727,651,677.60 = 255,497,611.20 : x
  2. Step 2: Convert to fraction form
    485,080,123.20/727,651,677.60 = 255,497,611.20/x
  3. Step 3: Cross multiply
    485,080,123.20x = 727,651,677.60 × 255,497,611.20
  4. Step 4: Simplify right side
    485,080,123.20x = 185,913,265,412,472,544
  5. Step 5: Solve for x
    x = 185,913,265,412,472,544/485,080,123.20
  6. Step 6: Final answer
    x = 383,263,004.44

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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.