Home / 878,247,183.78-1,211,982,953.22-481,773,375

Finding the Fourth Proportional to 878,247,183.78, 1,211,982,953.22 and 481,773,375

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Solution

The fourth proportional to 878,247,183.78, 1,211,982,953.22 and 481,773,375 is: 664,848,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,247,183.78 : 1,211,982,953.22 = 481,773,375 : x
  2. Step 2: Convert to fraction form
    878,247,183.78/1,211,982,953.22 = 481,773,375/x
  3. Step 3: Cross multiply
    878,247,183.78x = 1,211,982,953.22 × 481,773,375
  4. Step 4: Simplify right side
    878,247,183.78x = 583,901,117,815,266,560
  5. Step 5: Solve for x
    x = 583,901,117,815,266,560/878,247,183.78
  6. Step 6: Final answer
    x = 664,848,266.64

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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.