Home / 1,264,193,767.44-1,892,512,540.92-764,692,641.59

Finding the Fourth Proportional to 1,264,193,767.44, 1,892,512,540.92 and 764,692,641.59

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Solution

The fourth proportional to 1,264,193,767.44, 1,892,512,540.92 and 764,692,641.59 is: 1,144,753,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,193,767.44 : 1,892,512,540.92 = 764,692,641.59 : x
  2. Step 2: Convert to fraction form
    1,264,193,767.44/1,892,512,540.92 = 764,692,641.59/x
  3. Step 3: Cross multiply
    1,264,193,767.44x = 1,892,512,540.92 × 764,692,641.59
  4. Step 4: Simplify right side
    1,264,193,767.44x = 1,447,190,414,148,855,296
  5. Step 5: Solve for x
    x = 1,447,190,414,148,855,296/1,264,193,767.44
  6. Step 6: Final answer
    x = 1,144,753,637.79

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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.