Home / 8,083,253,105.20-12,124,879,657.80-3,945,351,127.60

Finding the Fourth Proportional to 8,083,253,105.20, 12,124,879,657.80 and 3,945,351,127.60

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Solution

The fourth proportional to 8,083,253,105.20, 12,124,879,657.80 and 3,945,351,127.60 is: 5,918,026,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,253,105.20 : 12,124,879,657.80 = 3,945,351,127.60 : x
  2. Step 2: Convert to fraction form
    8,083,253,105.20/12,124,879,657.80 = 3,945,351,127.60/x
  3. Step 3: Cross multiply
    8,083,253,105.20x = 12,124,879,657.80 × 3,945,351,127.60
  4. Step 4: Simplify right side
    8,083,253,105.20x = 47,836,907,629,915,529,216
  5. Step 5: Solve for x
    x = 47,836,907,629,915,529,216/8,083,253,105.20
  6. Step 6: Final answer
    x = 5,918,026,691.40

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Double scale
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Similar ratio
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1.5x scale

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.