Home / 419,904,727.20-629,857,090.80-267,227,632.80

Finding the Fourth Proportional to 419,904,727.20, 629,857,090.80 and 267,227,632.80

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Solution

The fourth proportional to 419,904,727.20, 629,857,090.80 and 267,227,632.80 is: 400,841,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,727.20 : 629,857,090.80 = 267,227,632.80 : x
  2. Step 2: Convert to fraction form
    419,904,727.20/629,857,090.80 = 267,227,632.80/x
  3. Step 3: Cross multiply
    419,904,727.20x = 629,857,090.80 × 267,227,632.80
  4. Step 4: Simplify right side
    419,904,727.20x = 168,315,219,376,778,656
  5. Step 5: Solve for x
    x = 168,315,219,376,778,656/419,904,727.20
  6. Step 6: Final answer
    x = 400,841,449.20

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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.