Home / 1,813,940,621.70-2,503,231,918.83-1,020,986,141.46

Finding the Fourth Proportional to 1,813,940,621.70, 2,503,231,918.83 and 1,020,986,141.46

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Solution

The fourth proportional to 1,813,940,621.70, 2,503,231,918.83 and 1,020,986,141.46 is: 1,408,957,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,940,621.70 : 2,503,231,918.83 = 1,020,986,141.46 : x
  2. Step 2: Convert to fraction form
    1,813,940,621.70/2,503,231,918.83 = 1,020,986,141.46/x
  3. Step 3: Cross multiply
    1,813,940,621.70x = 2,503,231,918.83 × 1,020,986,141.46
  4. Step 4: Simplify right side
    1,813,940,621.70x = 2,555,765,097,985,753,600
  5. Step 5: Solve for x
    x = 2,555,765,097,985,753,600/1,813,940,621.70
  6. Step 6: Final answer
    x = 1,408,957,419.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.