Home / 2,638,129,723,439.20-3,954,928,198,002-916,854,432,195.95

Finding the Fourth Proportional to 2,638,129,723,439.20, 3,954,928,198,002 and 916,854,432,195.95

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Solution

The fourth proportional to 2,638,129,723,439.20, 3,954,928,198,002 and 916,854,432,195.95 is: 1,374,493,989,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,129,723,439.20 : 3,954,928,198,002 = 916,854,432,195.95 : x
  2. Step 2: Convert to fraction form
    2,638,129,723,439.20/3,954,928,198,002 = 916,854,432,195.95/x
  3. Step 3: Cross multiply
    2,638,129,723,439.20x = 3,954,928,198,002 × 916,854,432,195.95
  4. Step 4: Simplify right side
    2,638,129,723,439.20x = 3,626,093,447,354,875,226,619,904
  5. Step 5: Solve for x
    x = 3,626,093,447,354,875,226,619,904/2,638,129,723,439.20
  6. Step 6: Final answer
    x = 1,374,493,989,108.21

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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.