Home / 485,167,209.20-727,254,802.20-239,145,455.60

Finding the Fourth Proportional to 485,167,209.20, 727,254,802.20 and 239,145,455.60

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Solution

The fourth proportional to 485,167,209.20, 727,254,802.20 and 239,145,455.60 is: 358,473,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,167,209.20 : 727,254,802.20 = 239,145,455.60 : x
  2. Step 2: Convert to fraction form
    485,167,209.20/727,254,802.20 = 239,145,455.60/x
  3. Step 3: Cross multiply
    485,167,209.20x = 727,254,802.20 × 239,145,455.60
  4. Step 4: Simplify right side
    485,167,209.20x = 173,919,681,009,406,880
  5. Step 5: Solve for x
    x = 173,919,681,009,406,880/485,167,209.20
  6. Step 6: Final answer
    x = 358,473,692.60

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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.