Home / 878,247,182.78-1,211,982,951.84-481,773,374

Finding the Fourth Proportional to 878,247,182.78, 1,211,982,951.84 and 481,773,374

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Solution

The fourth proportional to 878,247,182.78, 1,211,982,951.84 and 481,773,374 is: 664,848,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,247,182.78 : 1,211,982,951.84 = 481,773,374 : x
  2. Step 2: Convert to fraction form
    878,247,182.78/1,211,982,951.84 = 481,773,374/x
  3. Step 3: Cross multiply
    878,247,182.78x = 1,211,982,951.84 × 481,773,374
  4. Step 4: Simplify right side
    878,247,182.78x = 583,901,115,938,436,224
  5. Step 5: Solve for x
    x = 583,901,115,938,436,224/878,247,182.78
  6. Step 6: Final answer
    x = 664,848,265.26

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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.