Home / 818,467,067.72-1,227,682,875.66-228,241,558.88

Finding the Fourth Proportional to 818,467,067.72, 1,227,682,875.66 and 228,241,558.88

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Solution

The fourth proportional to 818,467,067.72, 1,227,682,875.66 and 228,241,558.88 is: 342,357,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,467,067.72 : 1,227,682,875.66 = 228,241,558.88 : x
  2. Step 2: Convert to fraction form
    818,467,067.72/1,227,682,875.66 = 228,241,558.88/x
  3. Step 3: Cross multiply
    818,467,067.72x = 1,227,682,875.66 × 228,241,558.88
  4. Step 4: Simplify right side
    818,467,067.72x = 280,208,253,350,919,616
  5. Step 5: Solve for x
    x = 280,208,253,350,919,616/818,467,067.72
  6. Step 6: Final answer
    x = 342,357,395.19

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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.