Home / 398,786,107.20-598,260,031.20-226,345,531.20

Finding the Fourth Proportional to 398,786,107.20, 598,260,031.20 and 226,345,531.20

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Solution

The fourth proportional to 398,786,107.20, 598,260,031.20 and 226,345,531.20 is: 339,564,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,786,107.20 : 598,260,031.20 = 226,345,531.20 : x
  2. Step 2: Convert to fraction form
    398,786,107.20/598,260,031.20 = 226,345,531.20/x
  3. Step 3: Cross multiply
    398,786,107.20x = 598,260,031.20 × 226,345,531.20
  4. Step 4: Simplify right side
    398,786,107.20x = 135,413,484,557,692,576
  5. Step 5: Solve for x
    x = 135,413,484,557,692,576/398,786,107.20
  6. Step 6: Final answer
    x = 339,564,197.73

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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.