Home / 460,351,061.91-690,061,304.97-198,206,605.80

Finding the Fourth Proportional to 460,351,061.91, 690,061,304.97 and 198,206,605.80

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Solution

The fourth proportional to 460,351,061.91, 690,061,304.97 and 198,206,605.80 is: 297,109,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,351,061.91 : 690,061,304.97 = 198,206,605.80 : x
  2. Step 2: Convert to fraction form
    460,351,061.91/690,061,304.97 = 198,206,605.80/x
  3. Step 3: Cross multiply
    460,351,061.91x = 690,061,304.97 × 198,206,605.80
  4. Step 4: Simplify right side
    460,351,061.91x = 136,774,709,052,022,384
  5. Step 5: Solve for x
    x = 136,774,709,052,022,384/460,351,061.91
  6. Step 6: Final answer
    x = 297,109,576.51

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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.