Home / 522,137,999.80-783,296,227.86-215,262,358.84

Finding the Fourth Proportional to 522,137,999.80, 783,296,227.86 and 215,262,358.84

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Solution

The fourth proportional to 522,137,999.80, 783,296,227.86 and 215,262,358.84 is: 322,930,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,137,999.80 : 783,296,227.86 = 215,262,358.84 : x
  2. Step 2: Convert to fraction form
    522,137,999.80/783,296,227.86 = 215,262,358.84/x
  3. Step 3: Cross multiply
    522,137,999.80x = 783,296,227.86 × 215,262,358.84
  4. Step 4: Simplify right side
    522,137,999.80x = 168,614,193,679,617,728
  5. Step 5: Solve for x
    x = 168,614,193,679,617,728/522,137,999.80
  6. Step 6: Final answer
    x = 322,930,324.44

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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.