Home / 8,279,921,469.38-11,427,293,608.89-4,712,495,778.50

Finding the Fourth Proportional to 8,279,921,469.38, 11,427,293,608.89 and 4,712,495,778.50

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Solution

The fourth proportional to 8,279,921,469.38, 11,427,293,608.89 and 4,712,495,778.50 is: 6,503,814,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,921,469.38 : 11,427,293,608.89 = 4,712,495,778.50 : x
  2. Step 2: Convert to fraction form
    8,279,921,469.38/11,427,293,608.89 = 4,712,495,778.50/x
  3. Step 3: Cross multiply
    8,279,921,469.38x = 11,427,293,608.89 × 4,712,495,778.50
  4. Step 4: Simplify right side
    8,279,921,469.38x = 53,851,072,891,574,149,120
  5. Step 5: Solve for x
    x = 53,851,072,891,574,149,120/8,279,921,469.38
  6. Step 6: Final answer
    x = 6,503,814,449.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.