Home / 426,319,020.25-588,322,019.42-230,748,732.25

Finding the Fourth Proportional to 426,319,020.25, 588,322,019.42 and 230,748,732.25

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Solution

The fourth proportional to 426,319,020.25, 588,322,019.42 and 230,748,732.25 is: 318,434,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,319,020.25 : 588,322,019.42 = 230,748,732.25 : x
  2. Step 2: Convert to fraction form
    426,319,020.25/588,322,019.42 = 230,748,732.25/x
  3. Step 3: Cross multiply
    426,319,020.25x = 588,322,019.42 × 230,748,732.25
  4. Step 4: Simplify right side
    426,319,020.25x = 135,754,560,135,924,864
  5. Step 5: Solve for x
    x = 135,754,560,135,924,864/426,319,020.25
  6. Step 6: Final answer
    x = 318,434,209.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.