Home / 327,676,769.10-491,511,787.20-189,414,400.59

Finding the Fourth Proportional to 327,676,769.10, 491,511,787.20 and 189,414,400.59

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Solution

The fourth proportional to 327,676,769.10, 491,511,787.20 and 189,414,400.59 is: 284,119,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,676,769.10 : 491,511,787.20 = 189,414,400.59 : x
  2. Step 2: Convert to fraction form
    327,676,769.10/491,511,787.20 = 189,414,400.59/x
  3. Step 3: Cross multiply
    327,676,769.10x = 491,511,787.20 × 189,414,400.59
  4. Step 4: Simplify right side
    327,676,769.10x = 93,099,410,555,407,632
  5. Step 5: Solve for x
    x = 93,099,410,555,407,632/327,676,769.10
  6. Step 6: Final answer
    x = 284,119,654.90

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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.