Home / 789,141,945.90-1,183,787,568.45-214,713,273.90

Finding the Fourth Proportional to 789,141,945.90, 1,183,787,568.45 and 214,713,273.90

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Solution

The fourth proportional to 789,141,945.90, 1,183,787,568.45 and 214,713,273.90 is: 322,090,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,141,945.90 : 1,183,787,568.45 = 214,713,273.90 : x
  2. Step 2: Convert to fraction form
    789,141,945.90/1,183,787,568.45 = 214,713,273.90/x
  3. Step 3: Cross multiply
    789,141,945.90x = 1,183,787,568.45 × 214,713,273.90
  4. Step 4: Simplify right side
    789,141,945.90x = 254,174,904,424,019,872
  5. Step 5: Solve for x
    x = 254,174,904,424,019,872/789,141,945.90
  6. Step 6: Final answer
    x = 322,090,221.85

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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.