Home / 513,222,760.52-769,840,438.52-339,458,087.24

Finding the Fourth Proportional to 513,222,760.52, 769,840,438.52 and 339,458,087.24

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Solution

The fourth proportional to 513,222,760.52, 769,840,438.52 and 339,458,087.24 is: 509,191,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,222,760.52 : 769,840,438.52 = 339,458,087.24 : x
  2. Step 2: Convert to fraction form
    513,222,760.52/769,840,438.52 = 339,458,087.24/x
  3. Step 3: Cross multiply
    513,222,760.52x = 769,840,438.52 × 339,458,087.24
  4. Step 4: Simplify right side
    513,222,760.52x = 261,328,562,740,002,016
  5. Step 5: Solve for x
    x = 261,328,562,740,002,016/513,222,760.52
  6. Step 6: Final answer
    x = 509,191,296.34

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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.