Home / 469,422,066.96-647,869,817.88-281,257,791.84

Finding the Fourth Proportional to 469,422,066.96, 647,869,817.88 and 281,257,791.84

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Solution

The fourth proportional to 469,422,066.96, 647,869,817.88 and 281,257,791.84 is: 388,176,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,422,066.96 : 647,869,817.88 = 281,257,791.84 : x
  2. Step 2: Convert to fraction form
    469,422,066.96/647,869,817.88 = 281,257,791.84/x
  3. Step 3: Cross multiply
    469,422,066.96x = 647,869,817.88 × 281,257,791.84
  4. Step 4: Simplify right side
    469,422,066.96x = 182,218,434,376,711,744
  5. Step 5: Solve for x
    x = 182,218,434,376,711,744/469,422,066.96
  6. Step 6: Final answer
    x = 388,176,115.27

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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.