Home / 825,234,159.78-1,237,588,619.08-272,433,660.24

Finding the Fourth Proportional to 825,234,159.78, 1,237,588,619.08 and 272,433,660.24

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Solution

The fourth proportional to 825,234,159.78, 1,237,588,619.08 and 272,433,660.24 is: 408,563,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,234,159.78 : 1,237,588,619.08 = 272,433,660.24 : x
  2. Step 2: Convert to fraction form
    825,234,159.78/1,237,588,619.08 = 272,433,660.24/x
  3. Step 3: Cross multiply
    825,234,159.78x = 1,237,588,619.08 × 272,433,660.24
  4. Step 4: Simplify right side
    825,234,159.78x = 337,160,797,367,331,520
  5. Step 5: Solve for x
    x = 337,160,797,367,331,520/825,234,159.78
  6. Step 6: Final answer
    x = 408,563,791.71

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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.