Home / 394,000,816.32-591,002,346.44-113,904,532.68

Finding the Fourth Proportional to 394,000,816.32, 591,002,346.44 and 113,904,532.68

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Solution

The fourth proportional to 394,000,816.32, 591,002,346.44 and 113,904,532.68 is: 170,857,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,000,816.32 : 591,002,346.44 = 113,904,532.68 : x
  2. Step 2: Convert to fraction form
    394,000,816.32/591,002,346.44 = 113,904,532.68/x
  3. Step 3: Cross multiply
    394,000,816.32x = 591,002,346.44 × 113,904,532.68
  4. Step 4: Simplify right side
    394,000,816.32x = 67,317,846,081,076,656
  5. Step 5: Solve for x
    x = 67,317,846,081,076,656/394,000,816.32
  6. Step 6: Final answer
    x = 170,857,123.37

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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.