Home / 382,204,254.85-527,433,601.88-221,275,023.87

Finding the Fourth Proportional to 382,204,254.85, 527,433,601.88 and 221,275,023.87

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Solution

The fourth proportional to 382,204,254.85, 527,433,601.88 and 221,275,023.87 is: 305,354,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,204,254.85 : 527,433,601.88 = 221,275,023.87 : x
  2. Step 2: Convert to fraction form
    382,204,254.85/527,433,601.88 = 221,275,023.87/x
  3. Step 3: Cross multiply
    382,204,254.85x = 527,433,601.88 × 221,275,023.87
  4. Step 4: Simplify right side
    382,204,254.85x = 116,707,882,845,837,072
  5. Step 5: Solve for x
    x = 116,707,882,845,837,072/382,204,254.85
  6. Step 6: Final answer
    x = 305,354,745.18

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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.