Home / 318,625,257.20-477,937,885.80-196,181,250.80

Finding the Fourth Proportional to 318,625,257.20, 477,937,885.80 and 196,181,250.80

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Solution

The fourth proportional to 318,625,257.20, 477,937,885.80 and 196,181,250.80 is: 294,271,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,625,257.20 : 477,937,885.80 = 196,181,250.80 : x
  2. Step 2: Convert to fraction form
    318,625,257.20/477,937,885.80 = 196,181,250.80/x
  3. Step 3: Cross multiply
    318,625,257.20x = 477,937,885.80 × 196,181,250.80
  4. Step 4: Simplify right side
    318,625,257.20x = 93,762,452,240,951,568
  5. Step 5: Solve for x
    x = 93,762,452,240,951,568/318,625,257.20
  6. Step 6: Final answer
    x = 294,271,876.20

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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.