Home / 1,381,809,540.60-1,906,894,401.18-787,093,799.64

Finding the Fourth Proportional to 1,381,809,540.60, 1,906,894,401.18 and 787,093,799.64

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Solution

The fourth proportional to 1,381,809,540.60, 1,906,894,401.18 and 787,093,799.64 is: 1,086,187,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,809,540.60 : 1,906,894,401.18 = 787,093,799.64 : x
  2. Step 2: Convert to fraction form
    1,381,809,540.60/1,906,894,401.18 = 787,093,799.64/x
  3. Step 3: Cross multiply
    1,381,809,540.60x = 1,906,894,401.18 × 787,093,799.64
  4. Step 4: Simplify right side
    1,381,809,540.60x = 1,500,904,759,737,008,640
  5. Step 5: Solve for x
    x = 1,500,904,759,737,008,640/1,381,809,540.60
  6. Step 6: Final answer
    x = 1,086,187,868.62

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1.5x scale

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.