Home / 485,167,207.20-727,254,799.20-239,145,453.60

Finding the Fourth Proportional to 485,167,207.20, 727,254,799.20 and 239,145,453.60

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Solution

The fourth proportional to 485,167,207.20, 727,254,799.20 and 239,145,453.60 is: 358,473,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,167,207.20 : 727,254,799.20 = 239,145,453.60 : x
  2. Step 2: Convert to fraction form
    485,167,207.20/727,254,799.20 = 239,145,453.60/x
  3. Step 3: Cross multiply
    485,167,207.20x = 727,254,799.20 × 239,145,453.60
  4. Step 4: Simplify right side
    485,167,207.20x = 173,919,678,837,460,928
  5. Step 5: Solve for x
    x = 173,919,678,837,460,928/485,167,207.20
  6. Step 6: Final answer
    x = 358,473,689.60

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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.