Home / 378,334,834.80-567,502,252.20-205,744,959.60

Finding the Fourth Proportional to 378,334,834.80, 567,502,252.20 and 205,744,959.60

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Solution

The fourth proportional to 378,334,834.80, 567,502,252.20 and 205,744,959.60 is: 308,617,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,334,834.80 : 567,502,252.20 = 205,744,959.60 : x
  2. Step 2: Convert to fraction form
    378,334,834.80/567,502,252.20 = 205,744,959.60/x
  3. Step 3: Cross multiply
    378,334,834.80x = 567,502,252.20 × 205,744,959.60
  4. Step 4: Simplify right side
    378,334,834.80x = 116,760,727,951,798,016
  5. Step 5: Solve for x
    x = 116,760,727,951,798,016/378,334,834.80
  6. Step 6: Final answer
    x = 308,617,439.40

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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.