Home / 721,560,771.88-1,082,344,760.90-255,222,625.11

Finding the Fourth Proportional to 721,560,771.88, 1,082,344,760.90 and 255,222,625.11

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Solution

The fourth proportional to 721,560,771.88, 1,082,344,760.90 and 255,222,625.11 is: 382,835,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,560,771.88 : 1,082,344,760.90 = 255,222,625.11 : x
  2. Step 2: Convert to fraction form
    721,560,771.88/1,082,344,760.90 = 255,222,625.11/x
  3. Step 3: Cross multiply
    721,560,771.88x = 1,082,344,760.90 × 255,222,625.11
  4. Step 4: Simplify right side
    721,560,771.88x = 276,238,871,146,599,040
  5. Step 5: Solve for x
    x = 276,238,871,146,599,040/721,560,771.88
  6. Step 6: Final answer
    x = 382,835,212.10

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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.