Home / 481,139,536.27-663,972,560.05-261,122,962.27

Finding the Fourth Proportional to 481,139,536.27, 663,972,560.05 and 261,122,962.27

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Solution

The fourth proportional to 481,139,536.27, 663,972,560.05 and 261,122,962.27 is: 360,349,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,139,536.27 : 663,972,560.05 = 261,122,962.27 : x
  2. Step 2: Convert to fraction form
    481,139,536.27/663,972,560.05 = 261,122,962.27/x
  3. Step 3: Cross multiply
    481,139,536.27x = 663,972,560.05 × 261,122,962.27
  4. Step 4: Simplify right side
    481,139,536.27x = 173,378,481,743,938,720
  5. Step 5: Solve for x
    x = 173,378,481,743,938,720/481,139,536.27
  6. Step 6: Final answer
    x = 360,349,687.93

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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.