Home / 878,247,177.78-1,211,982,944.94-481,773,369

Finding the Fourth Proportional to 878,247,177.78, 1,211,982,944.94 and 481,773,369

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Solution

The fourth proportional to 878,247,177.78, 1,211,982,944.94 and 481,773,369 is: 664,848,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,247,177.78 : 1,211,982,944.94 = 481,773,369 : x
  2. Step 2: Convert to fraction form
    878,247,177.78/1,211,982,944.94 = 481,773,369/x
  3. Step 3: Cross multiply
    878,247,177.78x = 1,211,982,944.94 × 481,773,369
  4. Step 4: Simplify right side
    878,247,177.78x = 583,901,106,554,285,312
  5. Step 5: Solve for x
    x = 583,901,106,554,285,312/878,247,177.78
  6. Step 6: Final answer
    x = 664,848,258.36

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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.