Home / 2,179,140,480-3,007,286,449.92-1,189,120,222.08

Finding the Fourth Proportional to 2,179,140,480, 3,007,286,449.92 and 1,189,120,222.08

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Solution

The fourth proportional to 2,179,140,480, 3,007,286,449.92 and 1,189,120,222.08 is: 1,641,025,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,140,480 : 3,007,286,449.92 = 1,189,120,222.08 : x
  2. Step 2: Convert to fraction form
    2,179,140,480/3,007,286,449.92 = 1,189,120,222.08/x
  3. Step 3: Cross multiply
    2,179,140,480x = 3,007,286,449.92 × 1,189,120,222.08
  4. Step 4: Simplify right side
    2,179,140,480x = 3,576,025,131,187,044,864
  5. Step 5: Solve for x
    x = 3,576,025,131,187,044,864/2,179,140,480
  6. Step 6: Final answer
    x = 1,641,025,516.26

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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.