Home / 627,661,010.40-941,491,515.60-196,838,815.20

Finding the Fourth Proportional to 627,661,010.40, 941,491,515.60 and 196,838,815.20

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Solution

The fourth proportional to 627,661,010.40, 941,491,515.60 and 196,838,815.20 is: 295,258,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,661,010.40 : 941,491,515.60 = 196,838,815.20 : x
  2. Step 2: Convert to fraction form
    627,661,010.40/941,491,515.60 = 196,838,815.20/x
  3. Step 3: Cross multiply
    627,661,010.40x = 941,491,515.60 × 196,838,815.20
  4. Step 4: Simplify right side
    627,661,010.40x = 185,322,074,451,556,320
  5. Step 5: Solve for x
    x = 185,322,074,451,556,320/627,661,010.40
  6. Step 6: Final answer
    x = 295,258,222.80

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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.