Home / 485,168,330.20-727,256,483.70-239,146,576.60

Finding the Fourth Proportional to 485,168,330.20, 727,256,483.70 and 239,146,576.60

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Solution

The fourth proportional to 485,168,330.20, 727,256,483.70 and 239,146,576.60 is: 358,475,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,168,330.20 : 727,256,483.70 = 239,146,576.60 : x
  2. Step 2: Convert to fraction form
    485,168,330.20/727,256,483.70 = 239,146,576.60/x
  3. Step 3: Cross multiply
    485,168,330.20x = 727,256,483.70 × 239,146,576.60
  4. Step 4: Simplify right side
    485,168,330.20x = 173,920,898,387,008,704
  5. Step 5: Solve for x
    x = 173,920,898,387,008,704/485,168,330.20
  6. Step 6: Final answer
    x = 358,475,373.52

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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.