Home / 399,418,282.44-551,197,976.58-223,206,278.04

Finding the Fourth Proportional to 399,418,282.44, 551,197,976.58 and 223,206,278.04

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Solution

The fourth proportional to 399,418,282.44, 551,197,976.58 and 223,206,278.04 is: 308,025,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,418,282.44 : 551,197,976.58 = 223,206,278.04 : x
  2. Step 2: Convert to fraction form
    399,418,282.44/551,197,976.58 = 223,206,278.04/x
  3. Step 3: Cross multiply
    399,418,282.44x = 551,197,976.58 × 223,206,278.04
  4. Step 4: Simplify right side
    399,418,282.44x = 123,030,848,815,600,896
  5. Step 5: Solve for x
    x = 123,030,848,815,600,896/399,418,282.44
  6. Step 6: Final answer
    x = 308,025,081.04

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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.