Home / 1,964,658,936.22-2,945,535,570.88-1,188,131,961.65

Finding the Fourth Proportional to 1,964,658,936.22, 2,945,535,570.88 and 1,188,131,961.65

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Solution

The fourth proportional to 1,964,658,936.22, 2,945,535,570.88 and 1,188,131,961.65 is: 1,781,319,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,658,936.22 : 2,945,535,570.88 = 1,188,131,961.65 : x
  2. Step 2: Convert to fraction form
    1,964,658,936.22/2,945,535,570.88 = 1,188,131,961.65/x
  3. Step 3: Cross multiply
    1,964,658,936.22x = 2,945,535,570.88 × 1,188,131,961.65
  4. Step 4: Simplify right side
    1,964,658,936.22x = 3,499,684,955,926,204,928
  5. Step 5: Solve for x
    x = 3,499,684,955,926,204,928/1,964,658,936.22
  6. Step 6: Final answer
    x = 1,781,319,338.14

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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.