Home / 12,568,208,675.42-18,854,250,115.56-4,285,158,620.60

Finding the Fourth Proportional to 12,568,208,675.42, 18,854,250,115.56 and 4,285,158,620.60

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Solution

The fourth proportional to 12,568,208,675.42, 18,854,250,115.56 and 4,285,158,620.60 is: 6,428,398,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568,208,675.42 : 18,854,250,115.56 = 4,285,158,620.60 : x
  2. Step 2: Convert to fraction form
    12,568,208,675.42/18,854,250,115.56 = 4,285,158,620.60/x
  3. Step 3: Cross multiply
    12,568,208,675.42x = 18,854,250,115.56 × 4,285,158,620.60
  4. Step 4: Simplify right side
    12,568,208,675.42x = 80,793,452,417,640,480,768
  5. Step 5: Solve for x
    x = 80,793,452,417,640,480,768/12,568,208,675.42
  6. Step 6: Final answer
    x = 6,428,398,390.27

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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.