Home / 327,676,772.10-491,511,791.70-189,414,403.60

Finding the Fourth Proportional to 327,676,772.10, 491,511,791.70 and 189,414,403.60

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Solution

The fourth proportional to 327,676,772.10, 491,511,791.70 and 189,414,403.60 is: 284,119,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,676,772.10 : 491,511,791.70 = 189,414,403.60 : x
  2. Step 2: Convert to fraction form
    327,676,772.10/491,511,791.70 = 189,414,403.60/x
  3. Step 3: Cross multiply
    327,676,772.10x = 491,511,791.70 × 189,414,403.60
  4. Step 4: Simplify right side
    327,676,772.10x = 93,099,412,887,222,928
  5. Step 5: Solve for x
    x = 93,099,412,887,222,928/327,676,772.10
  6. Step 6: Final answer
    x = 284,119,659.41

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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.