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Finding the Fourth Proportional to 591,965,096.76, 888,253,815.06 and 429,541,965.72

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Solution

The fourth proportional to 591,965,096.76, 888,253,815.06 and 429,541,965.72 is: 644,535,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,965,096.76 : 888,253,815.06 = 429,541,965.72 : x
  2. Step 2: Convert to fraction form
    591,965,096.76/888,253,815.06 = 429,541,965.72/x
  3. Step 3: Cross multiply
    591,965,096.76x = 888,253,815.06 × 429,541,965.72
  4. Step 4: Simplify right side
    591,965,096.76x = 381,542,289,779,161,728
  5. Step 5: Solve for x
    x = 381,542,289,779,161,728/591,965,096.76
  6. Step 6: Final answer
    x = 644,535,111.73

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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.