Home / 542,455,412.20-814,131,015.90-251,769,869.80

Finding the Fourth Proportional to 542,455,412.20, 814,131,015.90 and 251,769,869.80

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Solution

The fourth proportional to 542,455,412.20, 814,131,015.90 and 251,769,869.80 is: 377,862,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,455,412.20 : 814,131,015.90 = 251,769,869.80 : x
  2. Step 2: Convert to fraction form
    542,455,412.20/814,131,015.90 = 251,769,869.80/x
  3. Step 3: Cross multiply
    542,455,412.20x = 814,131,015.90 × 251,769,869.80
  4. Step 4: Simplify right side
    542,455,412.20x = 204,973,659,873,284,736
  5. Step 5: Solve for x
    x = 204,973,659,873,284,736/542,455,412.20
  6. Step 6: Final answer
    x = 377,862,687.45

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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.