Home / 485,168,327.20-727,256,479.20-239,146,573.60

Finding the Fourth Proportional to 485,168,327.20, 727,256,479.20 and 239,146,573.60

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Solution

The fourth proportional to 485,168,327.20, 727,256,479.20 and 239,146,573.60 is: 358,475,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,168,327.20 : 727,256,479.20 = 239,146,573.60 : x
  2. Step 2: Convert to fraction form
    485,168,327.20/727,256,479.20 = 239,146,573.60/x
  3. Step 3: Cross multiply
    485,168,327.20x = 727,256,479.20 × 239,146,573.60
  4. Step 4: Simplify right side
    485,168,327.20x = 173,920,895,129,079,680
  5. Step 5: Solve for x
    x = 173,920,895,129,079,680/485,168,327.20
  6. Step 6: Final answer
    x = 358,475,369.02

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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.