Home / 460,351,061.66-690,061,304.59-198,206,605.55

Finding the Fourth Proportional to 460,351,061.66, 690,061,304.59 and 198,206,605.55

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Solution

The fourth proportional to 460,351,061.66, 690,061,304.59 and 198,206,605.55 is: 297,109,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,351,061.66 : 690,061,304.59 = 198,206,605.55 : x
  2. Step 2: Convert to fraction form
    460,351,061.66/690,061,304.59 = 198,206,605.55/x
  3. Step 3: Cross multiply
    460,351,061.66x = 690,061,304.59 × 198,206,605.55
  4. Step 4: Simplify right side
    460,351,061.66x = 136,774,708,804,188,544
  5. Step 5: Solve for x
    x = 136,774,708,804,188,544/460,351,061.66
  6. Step 6: Final answer
    x = 297,109,576.14

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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.