Home / 399,932,694.88-599,312,132.24-225,395,513.44

Finding the Fourth Proportional to 399,932,694.88, 599,312,132.24 and 225,395,513.44

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Solution

The fourth proportional to 399,932,694.88, 599,312,132.24 and 225,395,513.44 is: 337,762,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,932,694.88 : 599,312,132.24 = 225,395,513.44 : x
  2. Step 2: Convert to fraction form
    399,932,694.88/599,312,132.24 = 225,395,513.44/x
  3. Step 3: Cross multiply
    399,932,694.88x = 599,312,132.24 × 225,395,513.44
  4. Step 4: Simplify right side
    399,932,694.88x = 135,082,265,757,055,984
  5. Step 5: Solve for x
    x = 135,082,265,757,055,984/399,932,694.88
  6. Step 6: Final answer
    x = 337,762,497.26

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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.