Home / 627,660,741.40-941,491,112.10-196,838,546.20

Finding the Fourth Proportional to 627,660,741.40, 941,491,112.10 and 196,838,546.20

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Solution

The fourth proportional to 627,660,741.40, 941,491,112.10 and 196,838,546.20 is: 295,257,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,660,741.40 : 941,491,112.10 = 196,838,546.20 : x
  2. Step 2: Convert to fraction form
    627,660,741.40/941,491,112.10 = 196,838,546.20/x
  3. Step 3: Cross multiply
    627,660,741.40x = 941,491,112.10 × 196,838,546.20
  4. Step 4: Simplify right side
    627,660,741.40x = 185,321,741,765,985,216
  5. Step 5: Solve for x
    x = 185,321,741,765,985,216/627,660,741.40
  6. Step 6: Final answer
    x = 295,257,819.30

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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.