Home / 3,930,989,447.25-5,897,312,409.89-1,274,838,414.46

Finding the Fourth Proportional to 3,930,989,447.25, 5,897,312,409.89 and 1,274,838,414.46

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Solution

The fourth proportional to 3,930,989,447.25, 5,897,312,409.89 and 1,274,838,414.46 is: 1,912,526,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,989,447.25 : 5,897,312,409.89 = 1,274,838,414.46 : x
  2. Step 2: Convert to fraction form
    3,930,989,447.25/5,897,312,409.89 = 1,274,838,414.46/x
  3. Step 3: Cross multiply
    3,930,989,447.25x = 5,897,312,409.89 × 1,274,838,414.46
  4. Step 4: Simplify right side
    3,930,989,447.25x = 7,518,120,402,187,892,736
  5. Step 5: Solve for x
    x = 7,518,120,402,187,892,736/3,930,989,447.25
  6. Step 6: Final answer
    x = 1,912,526,223.51

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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.