Home / 419,148,049.20-628,722,073.80-146,490,385.20

Finding the Fourth Proportional to 419,148,049.20, 628,722,073.80 and 146,490,385.20

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Solution

The fourth proportional to 419,148,049.20, 628,722,073.80 and 146,490,385.20 is: 219,735,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,148,049.20 : 628,722,073.80 = 146,490,385.20 : x
  2. Step 2: Convert to fraction form
    419,148,049.20/628,722,073.80 = 146,490,385.20/x
  3. Step 3: Cross multiply
    419,148,049.20x = 628,722,073.80 × 146,490,385.20
  4. Step 4: Simplify right side
    419,148,049.20x = 92,101,738,774,704,816
  5. Step 5: Solve for x
    x = 92,101,738,774,704,816/419,148,049.20
  6. Step 6: Final answer
    x = 219,735,577.80

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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.