Home / 818,467,044.72-1,227,682,841.13-228,241,535.85

Finding the Fourth Proportional to 818,467,044.72, 1,227,682,841.13 and 228,241,535.85

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Solution

The fourth proportional to 818,467,044.72, 1,227,682,841.13 and 228,241,535.85 is: 342,357,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,467,044.72 : 1,227,682,841.13 = 228,241,535.85 : x
  2. Step 2: Convert to fraction form
    818,467,044.72/1,227,682,841.13 = 228,241,535.85/x
  3. Step 3: Cross multiply
    818,467,044.72x = 1,227,682,841.13 × 228,241,535.85
  4. Step 4: Simplify right side
    818,467,044.72x = 280,208,217,196,202,784
  5. Step 5: Solve for x
    x = 280,208,217,196,202,784/818,467,044.72
  6. Step 6: Final answer
    x = 342,357,360.63

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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.