Home / 353,260,972.76-487,500,164.69-196,624,717.02

Finding the Fourth Proportional to 353,260,972.76, 487,500,164.69 and 196,624,717.02

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Solution

The fourth proportional to 353,260,972.76, 487,500,164.69 and 196,624,717.02 is: 271,342,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,260,972.76 : 487,500,164.69 = 196,624,717.02 : x
  2. Step 2: Convert to fraction form
    353,260,972.76/487,500,164.69 = 196,624,717.02/x
  3. Step 3: Cross multiply
    353,260,972.76x = 487,500,164.69 × 196,624,717.02
  4. Step 4: Simplify right side
    353,260,972.76x = 95,854,581,928,391,536
  5. Step 5: Solve for x
    x = 95,854,581,928,391,536/353,260,972.76
  6. Step 6: Final answer
    x = 271,342,121.89

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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.