Home / 853,025,471.58-1,279,391,892.18-270,629,905.26

Finding the Fourth Proportional to 853,025,471.58, 1,279,391,892.18 and 270,629,905.26

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Solution

The fourth proportional to 853,025,471.58, 1,279,391,892.18 and 270,629,905.26 is: 405,898,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,025,471.58 : 1,279,391,892.18 = 270,629,905.26 : x
  2. Step 2: Convert to fraction form
    853,025,471.58/1,279,391,892.18 = 270,629,905.26/x
  3. Step 3: Cross multiply
    853,025,471.58x = 1,279,391,892.18 × 270,629,905.26
  4. Step 4: Simplify right side
    853,025,471.58x = 346,241,706,571,085,568
  5. Step 5: Solve for x
    x = 346,241,706,571,085,568/853,025,471.58
  6. Step 6: Final answer
    x = 405,898,438.10

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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.