Home / 695,469,619.20-1,043,204,428.80-210,732,441.60

Finding the Fourth Proportional to 695,469,619.20, 1,043,204,428.80 and 210,732,441.60

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Solution

The fourth proportional to 695,469,619.20, 1,043,204,428.80 and 210,732,441.60 is: 316,098,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,469,619.20 : 1,043,204,428.80 = 210,732,441.60 : x
  2. Step 2: Convert to fraction form
    695,469,619.20/1,043,204,428.80 = 210,732,441.60/x
  3. Step 3: Cross multiply
    695,469,619.20x = 1,043,204,428.80 × 210,732,441.60
  4. Step 4: Simplify right side
    695,469,619.20x = 219,837,016,368,957,344
  5. Step 5: Solve for x
    x = 219,837,016,368,957,344/695,469,619.20
  6. Step 6: Final answer
    x = 316,098,662.40

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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.