Home / 419,904,251.10-629,856,376.65-343,376,747.10

Finding the Fourth Proportional to 419,904,251.10, 629,856,376.65 and 343,376,747.10

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Solution

The fourth proportional to 419,904,251.10, 629,856,376.65 and 343,376,747.10 is: 515,065,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,251.10 : 629,856,376.65 = 343,376,747.10 : x
  2. Step 2: Convert to fraction form
    419,904,251.10/629,856,376.65 = 343,376,747.10/x
  3. Step 3: Cross multiply
    419,904,251.10x = 629,856,376.65 × 343,376,747.10
  4. Step 4: Simplify right side
    419,904,251.10x = 216,278,033,754,269,408
  5. Step 5: Solve for x
    x = 216,278,033,754,269,408/419,904,251.10
  6. Step 6: Final answer
    x = 515,065,120.65

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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.