Home / 880,668,001.20-1,321,002,001.80-267,251,242.80

Finding the Fourth Proportional to 880,668,001.20, 1,321,002,001.80 and 267,251,242.80

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Solution

The fourth proportional to 880,668,001.20, 1,321,002,001.80 and 267,251,242.80 is: 400,876,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,668,001.20 : 1,321,002,001.80 = 267,251,242.80 : x
  2. Step 2: Convert to fraction form
    880,668,001.20/1,321,002,001.80 = 267,251,242.80/x
  3. Step 3: Cross multiply
    880,668,001.20x = 1,321,002,001.80 × 267,251,242.80
  4. Step 4: Simplify right side
    880,668,001.20x = 353,039,426,722,337,856
  5. Step 5: Solve for x
    x = 353,039,426,722,337,856/880,668,001.20
  6. Step 6: Final answer
    x = 400,876,864.20

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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.