Home / 12,555,806,401.92-18,827,170,013.76-5,921,654,269.44

Finding the Fourth Proportional to 12,555,806,401.92, 18,827,170,013.76 and 5,921,654,269.44

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Solution

The fourth proportional to 12,555,806,401.92, 18,827,170,013.76 and 5,921,654,269.44 is: 8,879,397,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,806,401.92 : 18,827,170,013.76 = 5,921,654,269.44 : x
  2. Step 2: Convert to fraction form
    12,555,806,401.92/18,827,170,013.76 = 5,921,654,269.44/x
  3. Step 3: Cross multiply
    12,555,806,401.92x = 18,827,170,013.76 × 5,921,654,269.44
  4. Step 4: Simplify right side
    12,555,806,401.92x = 111,487,991,693,454,622,720
  5. Step 5: Solve for x
    x = 111,487,991,693,454,622,720/12,555,806,401.92
  6. Step 6: Final answer
    x = 8,879,397,158.94

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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.