Home / 695,997,170.79-960,481,092.20-378,455,141.27

Finding the Fourth Proportional to 695,997,170.79, 960,481,092.20 and 378,455,141.27

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Solution

The fourth proportional to 695,997,170.79, 960,481,092.20 and 378,455,141.27 is: 522,270,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,997,170.79 : 960,481,092.20 = 378,455,141.27 : x
  2. Step 2: Convert to fraction form
    695,997,170.79/960,481,092.20 = 378,455,141.27/x
  3. Step 3: Cross multiply
    695,997,170.79x = 960,481,092.20 × 378,455,141.27
  4. Step 4: Simplify right side
    695,997,170.79x = 363,499,007,434,259,840
  5. Step 5: Solve for x
    x = 363,499,007,434,259,840/695,997,170.79
  6. Step 6: Final answer
    x = 522,270,811.85

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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.