Home / 27,290,589,634.80-40,935,884,452.20-7,661,284,858.80

Finding the Fourth Proportional to 27,290,589,634.80, 40,935,884,452.20 and 7,661,284,858.80

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Solution

The fourth proportional to 27,290,589,634.80, 40,935,884,452.20 and 7,661,284,858.80 is: 11,491,927,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290,589,634.80 : 40,935,884,452.20 = 7,661,284,858.80 : x
  2. Step 2: Convert to fraction form
    27,290,589,634.80/40,935,884,452.20 = 7,661,284,858.80/x
  3. Step 3: Cross multiply
    27,290,589,634.80x = 40,935,884,452.20 × 7,661,284,858.80
  4. Step 4: Simplify right side
    27,290,589,634.80x = 313,621,471,735,226,171,392
  5. Step 5: Solve for x
    x = 313,621,471,735,226,171,392/27,290,589,634.80
  6. Step 6: Final answer
    x = 11,491,927,288.20

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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.