Home / 3,121,690,837.73-4,682,811,420.44-880,757,783.70

Finding the Fourth Proportional to 3,121,690,837.73, 4,682,811,420.44 and 880,757,783.70

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Solution

The fourth proportional to 3,121,690,837.73, 4,682,811,420.44 and 880,757,783.70 is: 1,321,214,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,690,837.73 : 4,682,811,420.44 = 880,757,783.70 : x
  2. Step 2: Convert to fraction form
    3,121,690,837.73/4,682,811,420.44 = 880,757,783.70/x
  3. Step 3: Cross multiply
    3,121,690,837.73x = 4,682,811,420.44 × 880,757,783.70
  4. Step 4: Simplify right side
    3,121,690,837.73x = 4,124,422,608,133,165,568
  5. Step 5: Solve for x
    x = 4,124,422,608,133,165,568/3,121,690,837.73
  6. Step 6: Final answer
    x = 1,321,214,310.62

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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.