Home / 80,513,339,727.80-120,770,009,591.70-27,514,216,832.60

Finding the Fourth Proportional to 80,513,339,727.80, 120,770,009,591.70 and 27,514,216,832.60

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Solution

The fourth proportional to 80,513,339,727.80, 120,770,009,591.70 and 27,514,216,832.60 is: 41,271,325,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,513,339,727.80 : 120,770,009,591.70 = 27,514,216,832.60 : x
  2. Step 2: Convert to fraction form
    80,513,339,727.80/120,770,009,591.70 = 27,514,216,832.60/x
  3. Step 3: Cross multiply
    80,513,339,727.80x = 120,770,009,591.70 × 27,514,216,832.60
  4. Step 4: Simplify right side
    80,513,339,727.80x = 3,322,892,230,781,215,178,752
  5. Step 5: Solve for x
    x = 3,322,892,230,781,215,178,752/80,513,339,727.80
  6. Step 6: Final answer
    x = 41,271,325,248.90

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Double scale
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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.