Home / 3,880,424,839.20-5,821,487,564.40-1,916,218,903.20

Finding the Fourth Proportional to 3,880,424,839.20, 5,821,487,564.40 and 1,916,218,903.20

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Solution

The fourth proportional to 3,880,424,839.20, 5,821,487,564.40 and 1,916,218,903.20 is: 2,874,748,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,424,839.20 : 5,821,487,564.40 = 1,916,218,903.20 : x
  2. Step 2: Convert to fraction form
    3,880,424,839.20/5,821,487,564.40 = 1,916,218,903.20/x
  3. Step 3: Cross multiply
    3,880,424,839.20x = 5,821,487,564.40 × 1,916,218,903.20
  4. Step 4: Simplify right side
    3,880,424,839.20x = 11,155,244,515,647,006,720
  5. Step 5: Solve for x
    x = 11,155,244,515,647,006,720/3,880,424,839.20
  6. Step 6: Final answer
    x = 2,874,748,249.97

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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.