Home / 522,137,999.74-783,296,227.77-215,262,358.78

Finding the Fourth Proportional to 522,137,999.74, 783,296,227.77 and 215,262,358.78

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Solution

The fourth proportional to 522,137,999.74, 783,296,227.77 and 215,262,358.78 is: 322,930,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,137,999.74 : 783,296,227.77 = 215,262,358.78 : x
  2. Step 2: Convert to fraction form
    522,137,999.74/783,296,227.77 = 215,262,358.78/x
  3. Step 3: Cross multiply
    522,137,999.74x = 783,296,227.77 × 215,262,358.78
  4. Step 4: Simplify right side
    522,137,999.74x = 168,614,193,613,246,336
  5. Step 5: Solve for x
    x = 168,614,193,613,246,336/522,137,999.74
  6. Step 6: Final answer
    x = 322,930,324.35

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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.