Home / 7,978,179,470.40-11,967,269,205.60-4,835,449,972.80

Finding the Fourth Proportional to 7,978,179,470.40, 11,967,269,205.60 and 4,835,449,972.80

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Solution

The fourth proportional to 7,978,179,470.40, 11,967,269,205.60 and 4,835,449,972.80 is: 7,253,174,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,179,470.40 : 11,967,269,205.60 = 4,835,449,972.80 : x
  2. Step 2: Convert to fraction form
    7,978,179,470.40/11,967,269,205.60 = 4,835,449,972.80/x
  3. Step 3: Cross multiply
    7,978,179,470.40x = 11,967,269,205.60 × 4,835,449,972.80
  4. Step 4: Simplify right side
    7,978,179,470.40x = 57,867,131,554,708,799,488
  5. Step 5: Solve for x
    x = 57,867,131,554,708,799,488/7,978,179,470.40
  6. Step 6: Final answer
    x = 7,253,174,959.20

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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.