Home / 419,904,540.90-629,856,811.35-404,599,040.10

Finding the Fourth Proportional to 419,904,540.90, 629,856,811.35 and 404,599,040.10

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Solution

The fourth proportional to 419,904,540.90, 629,856,811.35 and 404,599,040.10 is: 606,898,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,540.90 : 629,856,811.35 = 404,599,040.10 : x
  2. Step 2: Convert to fraction form
    419,904,540.90/629,856,811.35 = 404,599,040.10/x
  3. Step 3: Cross multiply
    419,904,540.90x = 629,856,811.35 × 404,599,040.10
  4. Step 4: Simplify right side
    419,904,540.90x = 254,839,461,272,656,800
  5. Step 5: Solve for x
    x = 254,839,461,272,656,800/419,904,540.90
  6. Step 6: Final answer
    x = 606,898,560.15

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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.