Home / 1,819,190,723.70-2,728,786,085.55-1,628,722,269.30

Finding the Fourth Proportional to 1,819,190,723.70, 2,728,786,085.55 and 1,628,722,269.30

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Solution

The fourth proportional to 1,819,190,723.70, 2,728,786,085.55 and 1,628,722,269.30 is: 2,443,083,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,190,723.70 : 2,728,786,085.55 = 1,628,722,269.30 : x
  2. Step 2: Convert to fraction form
    1,819,190,723.70/2,728,786,085.55 = 1,628,722,269.30/x
  3. Step 3: Cross multiply
    1,819,190,723.70x = 2,728,786,085.55 × 1,628,722,269.30
  4. Step 4: Simplify right side
    1,819,190,723.70x = 4,444,434,665,691,259,904
  5. Step 5: Solve for x
    x = 4,444,434,665,691,259,904/1,819,190,723.70
  6. Step 6: Final answer
    x = 2,443,083,403.95

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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.