Home / 336,981,736.80-505,472,605.20-220,080,463.20

Finding the Fourth Proportional to 336,981,736.80, 505,472,605.20 and 220,080,463.20

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Solution

The fourth proportional to 336,981,736.80, 505,472,605.20 and 220,080,463.20 is: 330,120,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,981,736.80 : 505,472,605.20 = 220,080,463.20 : x
  2. Step 2: Convert to fraction form
    336,981,736.80/505,472,605.20 = 220,080,463.20/x
  3. Step 3: Cross multiply
    336,981,736.80x = 505,472,605.20 × 220,080,463.20
  4. Step 4: Simplify right side
    336,981,736.80x = 111,244,645,087,326,720
  5. Step 5: Solve for x
    x = 111,244,645,087,326,720/336,981,736.80
  6. Step 6: Final answer
    x = 330,120,694.80

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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.