Home / 12,568,208,684.82-18,854,250,129.69-4,285,158,630

Finding the Fourth Proportional to 12,568,208,684.82, 18,854,250,129.69 and 4,285,158,630

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Solution

The fourth proportional to 12,568,208,684.82, 18,854,250,129.69 and 4,285,158,630 is: 6,428,398,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568,208,684.82 : 18,854,250,129.69 = 4,285,158,630 : x
  2. Step 2: Convert to fraction form
    12,568,208,684.82/18,854,250,129.69 = 4,285,158,630/x
  3. Step 3: Cross multiply
    12,568,208,684.82x = 18,854,250,129.69 × 4,285,158,630
  4. Step 4: Simplify right side
    12,568,208,684.82x = 80,793,452,655,419,719,680
  5. Step 5: Solve for x
    x = 80,793,452,655,419,719,680/12,568,208,684.82
  6. Step 6: Final answer
    x = 6,428,398,404.38

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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.