Home / 323,472,286.20-485,208,429.30-221,435,614.20

Finding the Fourth Proportional to 323,472,286.20, 485,208,429.30 and 221,435,614.20

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Solution

The fourth proportional to 323,472,286.20, 485,208,429.30 and 221,435,614.20 is: 332,153,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,472,286.20 : 485,208,429.30 = 221,435,614.20 : x
  2. Step 2: Convert to fraction form
    323,472,286.20/485,208,429.30 = 221,435,614.20/x
  3. Step 3: Cross multiply
    323,472,286.20x = 485,208,429.30 × 221,435,614.20
  4. Step 4: Simplify right side
    323,472,286.20x = 107,442,426,557,062,768
  5. Step 5: Solve for x
    x = 107,442,426,557,062,768/323,472,286.20
  6. Step 6: Final answer
    x = 332,153,421.30

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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.