Home / 361,853,260.72-499,357,121.88-196,840,436.56

Finding the Fourth Proportional to 361,853,260.72, 499,357,121.88 and 196,840,436.56

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Solution

The fourth proportional to 361,853,260.72, 499,357,121.88 and 196,840,436.56 is: 271,639,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,853,260.72 : 499,357,121.88 = 196,840,436.56 : x
  2. Step 2: Convert to fraction form
    361,853,260.72/499,357,121.88 = 196,840,436.56/x
  3. Step 3: Cross multiply
    361,853,260.72x = 499,357,121.88 × 196,840,436.56
  4. Step 4: Simplify right side
    361,853,260.72x = 98,293,673,870,204,336
  5. Step 5: Solve for x
    x = 98,293,673,870,204,336/361,853,260.72
  6. Step 6: Final answer
    x = 271,639,596.88

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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.