Home / 381,675,226.41-526,560,351.21-220,709,466

Finding the Fourth Proportional to 381,675,226.41, 526,560,351.21 and 220,709,466

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Solution

The fourth proportional to 381,675,226.41, 526,560,351.21 and 220,709,466 is: 304,491,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,675,226.41 : 526,560,351.21 = 220,709,466 : x
  2. Step 2: Convert to fraction form
    381,675,226.41/526,560,351.21 = 220,709,466/x
  3. Step 3: Cross multiply
    381,675,226.41x = 526,560,351.21 × 220,709,466
  4. Step 4: Simplify right side
    381,675,226.41x = 116,216,853,932,331,552
  5. Step 5: Solve for x
    x = 116,216,853,932,331,552/381,675,226.41
  6. Step 6: Final answer
    x = 304,491,478.33

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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.