Home / 481,073,974.47-663,882,100.52-261,057,400.47

Finding the Fourth Proportional to 481,073,974.47, 663,882,100.52 and 261,057,400.47

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Solution

The fourth proportional to 481,073,974.47, 663,882,100.52 and 261,057,400.47 is: 360,259,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,073,974.47 : 663,882,100.52 = 261,057,400.47 : x
  2. Step 2: Convert to fraction form
    481,073,974.47/663,882,100.52 = 261,057,400.47/x
  3. Step 3: Cross multiply
    481,073,974.47x = 663,882,100.52 × 261,057,400.47
  4. Step 4: Simplify right side
    481,073,974.47x = 173,311,335,379,009,152
  5. Step 5: Solve for x
    x = 173,311,335,379,009,152/481,073,974.47
  6. Step 6: Final answer
    x = 360,259,221.19

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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.