Home / 880,722,009.70-1,321,083,014.55-267,305,251.30

Finding the Fourth Proportional to 880,722,009.70, 1,321,083,014.55 and 267,305,251.30

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Solution

The fourth proportional to 880,722,009.70, 1,321,083,014.55 and 267,305,251.30 is: 400,957,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,722,009.70 : 1,321,083,014.55 = 267,305,251.30 : x
  2. Step 2: Convert to fraction form
    880,722,009.70/1,321,083,014.55 = 267,305,251.30/x
  3. Step 3: Cross multiply
    880,722,009.70x = 1,321,083,014.55 × 267,305,251.30
  4. Step 4: Simplify right side
    880,722,009.70x = 353,132,427,192,449,280
  5. Step 5: Solve for x
    x = 353,132,427,192,449,280/880,722,009.70
  6. Step 6: Final answer
    x = 400,957,876.95

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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.