Home / 820,361,016.20-1,230,669,687.26-267,534,868.03

Finding the Fourth Proportional to 820,361,016.20, 1,230,669,687.26 and 267,534,868.03

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Solution

The fourth proportional to 820,361,016.20, 1,230,669,687.26 and 267,534,868.03 is: 401,344,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,361,016.20 : 1,230,669,687.26 = 267,534,868.03 : x
  2. Step 2: Convert to fraction form
    820,361,016.20/1,230,669,687.26 = 267,534,868.03/x
  3. Step 3: Cross multiply
    820,361,016.20x = 1,230,669,687.26 × 267,534,868.03
  4. Step 4: Simplify right side
    820,361,016.20x = 329,247,052,367,217,664
  5. Step 5: Solve for x
    x = 329,247,052,367,217,664/820,361,016.20
  6. Step 6: Final answer
    x = 401,344,098.35

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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.