Home / 7,978,179,465.90-11,967,269,198.85-4,835,449,968.30

Finding the Fourth Proportional to 7,978,179,465.90, 11,967,269,198.85 and 4,835,449,968.30

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Solution

The fourth proportional to 7,978,179,465.90, 11,967,269,198.85 and 4,835,449,968.30 is: 7,253,174,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,179,465.90 : 11,967,269,198.85 = 4,835,449,968.30 : x
  2. Step 2: Convert to fraction form
    7,978,179,465.90/11,967,269,198.85 = 4,835,449,968.30/x
  3. Step 3: Cross multiply
    7,978,179,465.90x = 11,967,269,198.85 × 4,835,449,968.30
  4. Step 4: Simplify right side
    7,978,179,465.90x = 57,867,131,468,216,803,328
  5. Step 5: Solve for x
    x = 57,867,131,468,216,803,328/7,978,179,465.90
  6. Step 6: Final answer
    x = 7,253,174,952.45

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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.