Home / 419,515,731.20-629,499,204.48-404,246,017.28

Finding the Fourth Proportional to 419,515,731.20, 629,499,204.48 and 404,246,017.28

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Solution

The fourth proportional to 419,515,731.20, 629,499,204.48 and 404,246,017.28 is: 606,586,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,515,731.20 : 629,499,204.48 = 404,246,017.28 : x
  2. Step 2: Convert to fraction form
    419,515,731.20/629,499,204.48 = 404,246,017.28/x
  3. Step 3: Cross multiply
    419,515,731.20x = 629,499,204.48 × 404,246,017.28
  4. Step 4: Simplify right side
    419,515,731.20x = 254,472,546,291,968,320
  5. Step 5: Solve for x
    x = 254,472,546,291,968,320/419,515,731.20
  6. Step 6: Final answer
    x = 606,586,421.83

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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.