Home / 2,980,340,760.24-4,112,684,933.70-1,642,155,963.78

Finding the Fourth Proportional to 2,980,340,760.24, 4,112,684,933.70 and 1,642,155,963.78

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Solution

The fourth proportional to 2,980,340,760.24, 4,112,684,933.70 and 1,642,155,963.78 is: 2,266,073,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,340,760.24 : 4,112,684,933.70 = 1,642,155,963.78 : x
  2. Step 2: Convert to fraction form
    2,980,340,760.24/4,112,684,933.70 = 1,642,155,963.78/x
  3. Step 3: Cross multiply
    2,980,340,760.24x = 4,112,684,933.70 × 1,642,155,963.78
  4. Step 4: Simplify right side
    2,980,340,760.24x = 6,753,670,091,031,846,912
  5. Step 5: Solve for x
    x = 6,753,670,091,031,846,912/2,980,340,760.24
  6. Step 6: Final answer
    x = 2,266,073,121.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.