Home / 551,143,406-826,428,072.36-259,932,334.88

Finding the Fourth Proportional to 551,143,406, 826,428,072.36 and 259,932,334.88

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Solution

The fourth proportional to 551,143,406, 826,428,072.36 and 259,932,334.88 is: 389,763,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,143,406 : 826,428,072.36 = 259,932,334.88 : x
  2. Step 2: Convert to fraction form
    551,143,406/826,428,072.36 = 259,932,334.88/x
  3. Step 3: Cross multiply
    551,143,406x = 826,428,072.36 × 259,932,334.88
  4. Step 4: Simplify right side
    551,143,406x = 214,815,378,458,912,384
  5. Step 5: Solve for x
    x = 214,815,378,458,912,384/551,143,406
  6. Step 6: Final answer
    x = 389,763,129.02

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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.