Home / 7,978,188,491.70-11,967,282,737.55-2,456,729,078.10

Finding the Fourth Proportional to 7,978,188,491.70, 11,967,282,737.55 and 2,456,729,078.10

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Solution

The fourth proportional to 7,978,188,491.70, 11,967,282,737.55 and 2,456,729,078.10 is: 3,685,093,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,188,491.70 : 11,967,282,737.55 = 2,456,729,078.10 : x
  2. Step 2: Convert to fraction form
    7,978,188,491.70/11,967,282,737.55 = 2,456,729,078.10/x
  3. Step 3: Cross multiply
    7,978,188,491.70x = 11,967,282,737.55 × 2,456,729,078.10
  4. Step 4: Simplify right side
    7,978,188,491.70x = 29,400,371,487,183,253,504
  5. Step 5: Solve for x
    x = 29,400,371,487,183,253,504/7,978,188,491.70
  6. Step 6: Final answer
    x = 3,685,093,617.15

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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.