Home / 377,760,274.20-521,347,969.80-227,101,704.48

Finding the Fourth Proportional to 377,760,274.20, 521,347,969.80 and 227,101,704.48

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Solution

The fourth proportional to 377,760,274.20, 521,347,969.80 and 227,101,704.48 is: 313,423,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,760,274.20 : 521,347,969.80 = 227,101,704.48 : x
  2. Step 2: Convert to fraction form
    377,760,274.20/521,347,969.80 = 227,101,704.48/x
  3. Step 3: Cross multiply
    377,760,274.20x = 521,347,969.80 × 227,101,704.48
  4. Step 4: Simplify right side
    377,760,274.20x = 118,399,012,568,767,568
  5. Step 5: Solve for x
    x = 118,399,012,568,767,568/377,760,274.20
  6. Step 6: Final answer
    x = 313,423,672.78

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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.