Home / 622,107,914.80-933,161,872.20-485,051,249.20

Finding the Fourth Proportional to 622,107,914.80, 933,161,872.20 and 485,051,249.20

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Solution

The fourth proportional to 622,107,914.80, 933,161,872.20 and 485,051,249.20 is: 727,576,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,107,914.80 : 933,161,872.20 = 485,051,249.20 : x
  2. Step 2: Convert to fraction form
    622,107,914.80/933,161,872.20 = 485,051,249.20/x
  3. Step 3: Cross multiply
    622,107,914.80x = 933,161,872.20 × 485,051,249.20
  4. Step 4: Simplify right side
    622,107,914.80x = 452,631,331,816,420,736
  5. Step 5: Solve for x
    x = 452,631,331,816,420,736/622,107,914.80
  6. Step 6: Final answer
    x = 727,576,873.80

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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.