Home / 419,904,420.15-629,856,630.24-419,904,420.15

Finding the Fourth Proportional to 419,904,420.15, 629,856,630.24 and 419,904,420.15

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Solution

The fourth proportional to 419,904,420.15, 629,856,630.24 and 419,904,420.15 is: 629,856,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,420.15 : 629,856,630.24 = 419,904,420.15 : x
  2. Step 2: Convert to fraction form
    419,904,420.15/629,856,630.24 = 419,904,420.15/x
  3. Step 3: Cross multiply
    419,904,420.15x = 629,856,630.24 × 419,904,420.15
  4. Step 4: Simplify right side
    419,904,420.15x = 264,479,583,098,560,160
  5. Step 5: Solve for x
    x = 264,479,583,098,560,160/419,904,420.15
  6. Step 6: Final answer
    x = 629,856,630.24

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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.