Home / 8,264,847,120.39-11,405,380,105.38-4,647,869,786.55

Finding the Fourth Proportional to 8,264,847,120.39, 11,405,380,105.38 and 4,647,869,786.55

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Solution

The fourth proportional to 8,264,847,120.39, 11,405,380,105.38 and 4,647,869,786.55 is: 6,413,999,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,847,120.39 : 11,405,380,105.38 = 4,647,869,786.55 : x
  2. Step 2: Convert to fraction form
    8,264,847,120.39/11,405,380,105.38 = 4,647,869,786.55/x
  3. Step 3: Cross multiply
    8,264,847,120.39x = 11,405,380,105.38 × 4,647,869,786.55
  4. Step 4: Simplify right side
    8,264,847,120.39x = 53,010,721,595,914,158,080
  5. Step 5: Solve for x
    x = 53,010,721,595,914,158,080/8,264,847,120.39
  6. Step 6: Final answer
    x = 6,413,999,052.10

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Double scale
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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.