Home / 522,137,996.30-783,296,222.61-215,262,355.34

Finding the Fourth Proportional to 522,137,996.30, 783,296,222.61 and 215,262,355.34

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Solution

The fourth proportional to 522,137,996.30, 783,296,222.61 and 215,262,355.34 is: 322,930,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,137,996.30 : 783,296,222.61 = 215,262,355.34 : x
  2. Step 2: Convert to fraction form
    522,137,996.30/783,296,222.61 = 215,262,355.34/x
  3. Step 3: Cross multiply
    522,137,996.30x = 783,296,222.61 × 215,262,355.34
  4. Step 4: Simplify right side
    522,137,996.30x = 168,614,189,807,953,568
  5. Step 5: Solve for x
    x = 168,614,189,807,953,568/522,137,996.30
  6. Step 6: Final answer
    x = 322,930,319.19

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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.