Home / 419,904,042.90-629,856,064.35-238,505,514.90

Finding the Fourth Proportional to 419,904,042.90, 629,856,064.35 and 238,505,514.90

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Solution

The fourth proportional to 419,904,042.90, 629,856,064.35 and 238,505,514.90 is: 357,758,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,042.90 : 629,856,064.35 = 238,505,514.90 : x
  2. Step 2: Convert to fraction form
    419,904,042.90/629,856,064.35 = 238,505,514.90/x
  3. Step 3: Cross multiply
    419,904,042.90x = 629,856,064.35 × 238,505,514.90
  4. Step 4: Simplify right side
    419,904,042.90x = 150,224,144,940,684,288
  5. Step 5: Solve for x
    x = 150,224,144,940,684,288/419,904,042.90
  6. Step 6: Final answer
    x = 357,758,272.35

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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.