Home / 481,139,537.27-663,972,561.43-261,122,963.27

Finding the Fourth Proportional to 481,139,537.27, 663,972,561.43 and 261,122,963.27

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Solution

The fourth proportional to 481,139,537.27, 663,972,561.43 and 261,122,963.27 is: 360,349,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,139,537.27 : 663,972,561.43 = 261,122,963.27 : x
  2. Step 2: Convert to fraction form
    481,139,537.27/663,972,561.43 = 261,122,963.27/x
  3. Step 3: Cross multiply
    481,139,537.27x = 663,972,561.43 × 261,122,963.27
  4. Step 4: Simplify right side
    481,139,537.27x = 173,378,482,770,573,696
  5. Step 5: Solve for x
    x = 173,378,482,770,573,696/481,139,537.27
  6. Step 6: Final answer
    x = 360,349,689.31

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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.