Home / 342,143,999.20-513,215,998.80-233,304,882.40

Finding the Fourth Proportional to 342,143,999.20, 513,215,998.80 and 233,304,882.40

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Solution

The fourth proportional to 342,143,999.20, 513,215,998.80 and 233,304,882.40 is: 349,957,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,143,999.20 : 513,215,998.80 = 233,304,882.40 : x
  2. Step 2: Convert to fraction form
    342,143,999.20/513,215,998.80 = 233,304,882.40/x
  3. Step 3: Cross multiply
    342,143,999.20x = 513,215,998.80 × 233,304,882.40
  4. Step 4: Simplify right side
    342,143,999.20x = 119,735,798,245,832,544
  5. Step 5: Solve for x
    x = 119,735,798,245,832,544/342,143,999.20
  6. Step 6: Final answer
    x = 349,957,323.60

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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.