Home / 419,904,364.10-629,856,546.15-394,374,200.90

Finding the Fourth Proportional to 419,904,364.10, 629,856,546.15 and 394,374,200.90

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Solution

The fourth proportional to 419,904,364.10, 629,856,546.15 and 394,374,200.90 is: 591,561,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,364.10 : 629,856,546.15 = 394,374,200.90 : x
  2. Step 2: Convert to fraction form
    419,904,364.10/629,856,546.15 = 394,374,200.90/x
  3. Step 3: Cross multiply
    419,904,364.10x = 629,856,546.15 × 394,374,200.90
  4. Step 4: Simplify right side
    419,904,364.10x = 248,399,172,069,540,192
  5. Step 5: Solve for x
    x = 248,399,172,069,540,192/419,904,364.10
  6. Step 6: Final answer
    x = 591,561,301.35

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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.