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Finding the Fourth Proportional to 800,064,327.60, 1,200,162,846.60 and 254,790,471.60

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Solution

The fourth proportional to 800,064,327.60, 1,200,162,846.60 and 254,790,471.60 is: 382,206,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,064,327.60 : 1,200,162,846.60 = 254,790,471.60 : x
  2. Step 2: Convert to fraction form
    800,064,327.60/1,200,162,846.60 = 254,790,471.60/x
  3. Step 3: Cross multiply
    800,064,327.60x = 1,200,162,846.60 × 254,790,471.60
  4. Step 4: Simplify right side
    800,064,327.60x = 305,790,057,682,012,416
  5. Step 5: Solve for x
    x = 305,790,057,682,012,416/800,064,327.60
  6. Step 6: Final answer
    x = 382,206,839.04

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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.