Home / 361,532,100.20-498,914,619.76-196,519,669.70

Finding the Fourth Proportional to 361,532,100.20, 498,914,619.76 and 196,519,669.70

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Solution

The fourth proportional to 361,532,100.20, 498,914,619.76 and 196,519,669.70 is: 271,197,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,532,100.20 : 498,914,619.76 = 196,519,669.70 : x
  2. Step 2: Convert to fraction form
    361,532,100.20/498,914,619.76 = 196,519,669.70/x
  3. Step 3: Cross multiply
    361,532,100.20x = 498,914,619.76 × 196,519,669.70
  4. Step 4: Simplify right side
    361,532,100.20x = 98,046,536,283,736,288
  5. Step 5: Solve for x
    x = 98,046,536,283,736,288/361,532,100.20
  6. Step 6: Final answer
    x = 271,197,318.94

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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.