Home / 629,857,331.70-944,785,997.55-354,358,317.30

Finding the Fourth Proportional to 629,857,331.70, 944,785,997.55 and 354,358,317.30

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Solution

The fourth proportional to 629,857,331.70, 944,785,997.55 and 354,358,317.30 is: 531,537,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,331.70 : 944,785,997.55 = 354,358,317.30 : x
  2. Step 2: Convert to fraction form
    629,857,331.70/944,785,997.55 = 354,358,317.30/x
  3. Step 3: Cross multiply
    629,857,331.70x = 944,785,997.55 × 354,358,317.30
  4. Step 4: Simplify right side
    629,857,331.70x = 334,792,776,300,419,904
  5. Step 5: Solve for x
    x = 334,792,776,300,419,904/629,857,331.70
  6. Step 6: Final answer
    x = 531,537,475.95

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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.