Home / 627,660,800.40-941,491,200.60-196,838,605.20

Finding the Fourth Proportional to 627,660,800.40, 941,491,200.60 and 196,838,605.20

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Solution

The fourth proportional to 627,660,800.40, 941,491,200.60 and 196,838,605.20 is: 295,257,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,660,800.40 : 941,491,200.60 = 196,838,605.20 : x
  2. Step 2: Convert to fraction form
    627,660,800.40/941,491,200.60 = 196,838,605.20/x
  3. Step 3: Cross multiply
    627,660,800.40x = 941,491,200.60 × 196,838,605.20
  4. Step 4: Simplify right side
    627,660,800.40x = 185,321,814,734,177,408
  5. Step 5: Solve for x
    x = 185,321,814,734,177,408/627,660,800.40
  6. Step 6: Final answer
    x = 295,257,907.80

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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.