Home / 819,830,327.94-1,228,757,475.21-376,561,327.04

Finding the Fourth Proportional to 819,830,327.94, 1,228,757,475.21 and 376,561,327.04

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Solution

The fourth proportional to 819,830,327.94, 1,228,757,475.21 and 376,561,327.04 is: 564,388,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,830,327.94 : 1,228,757,475.21 = 376,561,327.04 : x
  2. Step 2: Convert to fraction form
    819,830,327.94/1,228,757,475.21 = 376,561,327.04/x
  3. Step 3: Cross multiply
    819,830,327.94x = 1,228,757,475.21 × 376,561,327.04
  4. Step 4: Simplify right side
    819,830,327.94x = 462,702,545,469,253,760
  5. Step 5: Solve for x
    x = 462,702,545,469,253,760/819,830,327.94
  6. Step 6: Final answer
    x = 564,388,178.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.