Home / 878,247,180.78-1,211,982,949.08-481,773,372

Finding the Fourth Proportional to 878,247,180.78, 1,211,982,949.08 and 481,773,372

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Solution

The fourth proportional to 878,247,180.78, 1,211,982,949.08 and 481,773,372 is: 664,848,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,247,180.78 : 1,211,982,949.08 = 481,773,372 : x
  2. Step 2: Convert to fraction form
    878,247,180.78/1,211,982,949.08 = 481,773,372/x
  3. Step 3: Cross multiply
    878,247,180.78x = 1,211,982,949.08 × 481,773,372
  4. Step 4: Simplify right side
    878,247,180.78x = 583,901,112,184,775,808
  5. Step 5: Solve for x
    x = 583,901,112,184,775,808/878,247,180.78
  6. Step 6: Final answer
    x = 664,848,262.50

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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.