Home / 1,219,954,966.12-1,829,489,449.38-667,665,557.56

Finding the Fourth Proportional to 1,219,954,966.12, 1,829,489,449.38 and 667,665,557.56

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Solution

The fourth proportional to 1,219,954,966.12, 1,829,489,449.38 and 667,665,557.56 is: 1,001,255,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,954,966.12 : 1,829,489,449.38 = 667,665,557.56 : x
  2. Step 2: Convert to fraction form
    1,219,954,966.12/1,829,489,449.38 = 667,665,557.56/x
  3. Step 3: Cross multiply
    1,219,954,966.12x = 1,829,489,449.38 × 667,665,557.56
  4. Step 4: Simplify right side
    1,219,954,966.12x = 1,221,487,093,270,435,072
  5. Step 5: Solve for x
    x = 1,221,487,093,270,435,072/1,219,954,966.12
  6. Step 6: Final answer
    x = 1,001,255,888.29

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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.