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Finding the Fourth Proportional to 640,667,860.01, 960,904,691.07 and 174,365,620.97

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Solution

The fourth proportional to 640,667,860.01, 960,904,691.07 and 174,365,620.97 is: 261,522,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,667,860.01 : 960,904,691.07 = 174,365,620.97 : x
  2. Step 2: Convert to fraction form
    640,667,860.01/960,904,691.07 = 174,365,620.97/x
  3. Step 3: Cross multiply
    640,667,860.01x = 960,904,691.07 × 174,365,620.97
  4. Step 4: Simplify right side
    640,667,860.01x = 167,548,743,146,166,144
  5. Step 5: Solve for x
    x = 167,548,743,146,166,144/640,667,860.01
  6. Step 6: Final answer
    x = 261,522,004.78

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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.