Home / 723,622,112.68-1,085,447,340.24-206,065,850.80

Finding the Fourth Proportional to 723,622,112.68, 1,085,447,340.24 and 206,065,850.80

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Solution

The fourth proportional to 723,622,112.68, 1,085,447,340.24 and 206,065,850.80 is: 309,102,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,622,112.68 : 1,085,447,340.24 = 206,065,850.80 : x
  2. Step 2: Convert to fraction form
    723,622,112.68/1,085,447,340.24 = 206,065,850.80/x
  3. Step 3: Cross multiply
    723,622,112.68x = 1,085,447,340.24 × 206,065,850.80
  4. Step 4: Simplify right side
    723,622,112.68x = 223,673,629,665,152,704
  5. Step 5: Solve for x
    x = 223,673,629,665,152,704/723,622,112.68
  6. Step 6: Final answer
    x = 309,102,811.74

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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.