Home / 818,467,030.74-1,227,682,820.20-228,241,521.85

Finding the Fourth Proportional to 818,467,030.74, 1,227,682,820.20 and 228,241,521.85

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Solution

The fourth proportional to 818,467,030.74, 1,227,682,820.20 and 228,241,521.85 is: 342,357,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,467,030.74 : 1,227,682,820.20 = 228,241,521.85 : x
  2. Step 2: Convert to fraction form
    818,467,030.74/1,227,682,820.20 = 228,241,521.85/x
  3. Step 3: Cross multiply
    818,467,030.74x = 1,227,682,820.20 × 228,241,521.85
  4. Step 4: Simplify right side
    818,467,030.74x = 280,208,195,235,031,776
  5. Step 5: Solve for x
    x = 280,208,195,235,031,776/818,467,030.74
  6. Step 6: Final answer
    x = 342,357,339.65

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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.