Home / 342,143,998.20-513,215,997.30-233,304,881.40

Finding the Fourth Proportional to 342,143,998.20, 513,215,997.30 and 233,304,881.40

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Solution

The fourth proportional to 342,143,998.20, 513,215,997.30 and 233,304,881.40 is: 349,957,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,143,998.20 : 513,215,997.30 = 233,304,881.40 : x
  2. Step 2: Convert to fraction form
    342,143,998.20/513,215,997.30 = 233,304,881.40/x
  3. Step 3: Cross multiply
    342,143,998.20x = 513,215,997.30 × 233,304,881.40
  4. Step 4: Simplify right side
    342,143,998.20x = 119,735,797,382,659,232
  5. Step 5: Solve for x
    x = 119,735,797,382,659,232/342,143,998.20
  6. Step 6: Final answer
    x = 349,957,322.10

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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.