Home / 481,162,151.52-664,004,409.84-261,145,577.52

Finding the Fourth Proportional to 481,162,151.52, 664,004,409.84 and 261,145,577.52

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Solution

The fourth proportional to 481,162,151.52, 664,004,409.84 and 261,145,577.52 is: 360,381,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,162,151.52 : 664,004,409.84 = 261,145,577.52 : x
  2. Step 2: Convert to fraction form
    481,162,151.52/664,004,409.84 = 261,145,577.52/x
  3. Step 3: Cross multiply
    481,162,151.52x = 664,004,409.84 × 261,145,577.52
  4. Step 4: Simplify right side
    481,162,151.52x = 173,401,815,083,493,600
  5. Step 5: Solve for x
    x = 173,401,815,083,493,600/481,162,151.52
  6. Step 6: Final answer
    x = 360,381,244.73

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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.