Home / 12,568,208,683.82-18,854,250,128.19-4,285,158,629.00

Finding the Fourth Proportional to 12,568,208,683.82, 18,854,250,128.19 and 4,285,158,629.00

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Solution

The fourth proportional to 12,568,208,683.82, 18,854,250,128.19 and 4,285,158,629.00 is: 6,428,398,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568,208,683.82 : 18,854,250,128.19 = 4,285,158,629.00 : x
  2. Step 2: Convert to fraction form
    12,568,208,683.82/18,854,250,128.19 = 4,285,158,629.00/x
  3. Step 3: Cross multiply
    12,568,208,683.82x = 18,854,250,128.19 × 4,285,158,629.00
  4. Step 4: Simplify right side
    12,568,208,683.82x = 80,793,452,630,043,459,584
  5. Step 5: Solve for x
    x = 80,793,452,630,043,459,584/12,568,208,683.82
  6. Step 6: Final answer
    x = 6,428,398,402.88

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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.