Home / 323,719,997.80-485,579,996.70-225,084,548.20

Finding the Fourth Proportional to 323,719,997.80, 485,579,996.70 and 225,084,548.20

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Solution

The fourth proportional to 323,719,997.80, 485,579,996.70 and 225,084,548.20 is: 337,626,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,719,997.80 : 485,579,996.70 = 225,084,548.20 : x
  2. Step 2: Convert to fraction form
    323,719,997.80/485,579,996.70 = 225,084,548.20/x
  3. Step 3: Cross multiply
    323,719,997.80x = 485,579,996.70 × 225,084,548.20
  4. Step 4: Simplify right side
    323,719,997.80x = 109,296,554,172,176,976
  5. Step 5: Solve for x
    x = 109,296,554,172,176,976/323,719,997.80
  6. Step 6: Final answer
    x = 337,626,822.30

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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.