Home / 485,168,267.20-727,256,389.20-239,146,513.60

Finding the Fourth Proportional to 485,168,267.20, 727,256,389.20 and 239,146,513.60

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Solution

The fourth proportional to 485,168,267.20, 727,256,389.20 and 239,146,513.60 is: 358,475,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,168,267.20 : 727,256,389.20 = 239,146,513.60 : x
  2. Step 2: Convert to fraction form
    485,168,267.20/727,256,389.20 = 239,146,513.60/x
  3. Step 3: Cross multiply
    485,168,267.20x = 727,256,389.20 × 239,146,513.60
  4. Step 4: Simplify right side
    485,168,267.20x = 173,920,829,970,504,704
  5. Step 5: Solve for x
    x = 173,920,829,970,504,704/485,168,267.20
  6. Step 6: Final answer
    x = 358,475,279.05

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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.