Home / 429,906,451.86-644,016,923.15-222,780,731.81

Finding the Fourth Proportional to 429,906,451.86, 644,016,923.15 and 222,780,731.81

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Solution

The fourth proportional to 429,906,451.86, 644,016,923.15 and 222,780,731.81 is: 333,734,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,906,451.86 : 644,016,923.15 = 222,780,731.81 : x
  2. Step 2: Convert to fraction form
    429,906,451.86/644,016,923.15 = 222,780,731.81/x
  3. Step 3: Cross multiply
    429,906,451.86x = 644,016,923.15 × 222,780,731.81
  4. Step 4: Simplify right side
    429,906,451.86x = 143,474,561,433,047,536
  5. Step 5: Solve for x
    x = 143,474,561,433,047,536/429,906,451.86
  6. Step 6: Final answer
    x = 333,734,375.96

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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.