Home / 3,921,019,920-5,882,678,605.80-1,265,022,144

Finding the Fourth Proportional to 3,921,019,920, 5,882,678,605.80 and 1,265,022,144

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Solution

The fourth proportional to 3,921,019,920, 5,882,678,605.80 and 1,265,022,144 is: 1,897,903,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,019,920 : 5,882,678,605.80 = 1,265,022,144 : x
  2. Step 2: Convert to fraction form
    3,921,019,920/5,882,678,605.80 = 1,265,022,144/x
  3. Step 3: Cross multiply
    3,921,019,920x = 5,882,678,605.80 × 1,265,022,144
  4. Step 4: Simplify right side
    3,921,019,920x = 7,441,718,702,372,046,848
  5. Step 5: Solve for x
    x = 7,441,718,702,372,046,848/3,921,019,920
  6. Step 6: Final answer
    x = 1,897,903,824.57

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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.