Home / 353,206,346.28-487,424,759.12-196,610,446.61

Finding the Fourth Proportional to 353,206,346.28, 487,424,759.12 and 196,610,446.61

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Solution

The fourth proportional to 353,206,346.28, 487,424,759.12 and 196,610,446.61 is: 271,322,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,206,346.28 : 487,424,759.12 = 196,610,446.61 : x
  2. Step 2: Convert to fraction form
    353,206,346.28/487,424,759.12 = 196,610,446.61/x
  3. Step 3: Cross multiply
    353,206,346.28x = 487,424,759.12 × 196,610,446.61
  4. Step 4: Simplify right side
    353,206,346.28x = 95,832,799,581,246,000
  5. Step 5: Solve for x
    x = 95,832,799,581,246,000/353,206,346.28
  6. Step 6: Final answer
    x = 271,322,417.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.