Home / 485,168,321.20-727,256,470.20-239,146,567.60

Finding the Fourth Proportional to 485,168,321.20, 727,256,470.20 and 239,146,567.60

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Solution

The fourth proportional to 485,168,321.20, 727,256,470.20 and 239,146,567.60 is: 358,475,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,168,321.20 : 727,256,470.20 = 239,146,567.60 : x
  2. Step 2: Convert to fraction form
    485,168,321.20/727,256,470.20 = 239,146,567.60/x
  3. Step 3: Cross multiply
    485,168,321.20x = 727,256,470.20 × 239,146,567.60
  4. Step 4: Simplify right side
    485,168,321.20x = 173,920,888,613,221,696
  5. Step 5: Solve for x
    x = 173,920,888,613,221,696/485,168,321.20
  6. Step 6: Final answer
    x = 358,475,360.02

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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.