Home / 580,100,446.80-870,150,670.20-197,147,998.80

Finding the Fourth Proportional to 580,100,446.80, 870,150,670.20 and 197,147,998.80

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Solution

The fourth proportional to 580,100,446.80, 870,150,670.20 and 197,147,998.80 is: 295,721,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,100,446.80 : 870,150,670.20 = 197,147,998.80 : x
  2. Step 2: Convert to fraction form
    580,100,446.80/870,150,670.20 = 197,147,998.80/x
  3. Step 3: Cross multiply
    580,100,446.80x = 870,150,670.20 × 197,147,998.80
  4. Step 4: Simplify right side
    580,100,446.80x = 171,548,463,284,408,800
  5. Step 5: Solve for x
    x = 171,548,463,284,408,800/580,100,446.80
  6. Step 6: Final answer
    x = 295,721,998.20

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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.