Home / 822,227,158.20-1,233,340,737.30-407,543,745.90

Finding the Fourth Proportional to 822,227,158.20, 1,233,340,737.30 and 407,543,745.90

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Solution

The fourth proportional to 822,227,158.20, 1,233,340,737.30 and 407,543,745.90 is: 611,315,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,227,158.20 : 1,233,340,737.30 = 407,543,745.90 : x
  2. Step 2: Convert to fraction form
    822,227,158.20/1,233,340,737.30 = 407,543,745.90/x
  3. Step 3: Cross multiply
    822,227,158.20x = 1,233,340,737.30 × 407,543,745.90
  4. Step 4: Simplify right side
    822,227,158.20x = 502,640,304,050,309,824
  5. Step 5: Solve for x
    x = 502,640,304,050,309,824/822,227,158.20
  6. Step 6: Final answer
    x = 611,315,618.85

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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.