Home / 12,568,208,686.92-18,854,250,132.84-4,285,158,632.10

Finding the Fourth Proportional to 12,568,208,686.92, 18,854,250,132.84 and 4,285,158,632.10

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Solution

The fourth proportional to 12,568,208,686.92, 18,854,250,132.84 and 4,285,158,632.10 is: 6,428,398,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568,208,686.92 : 18,854,250,132.84 = 4,285,158,632.10 : x
  2. Step 2: Convert to fraction form
    12,568,208,686.92/18,854,250,132.84 = 4,285,158,632.10/x
  3. Step 3: Cross multiply
    12,568,208,686.92x = 18,854,250,132.84 × 4,285,158,632.10
  4. Step 4: Simplify right side
    12,568,208,686.92x = 80,793,452,708,511,891,456
  5. Step 5: Solve for x
    x = 80,793,452,708,511,891,456/12,568,208,686.92
  6. Step 6: Final answer
    x = 6,428,398,407.53

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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.