Home / 878,247,179.28-1,211,982,947.01-481,773,370.50

Finding the Fourth Proportional to 878,247,179.28, 1,211,982,947.01 and 481,773,370.50

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Solution

The fourth proportional to 878,247,179.28, 1,211,982,947.01 and 481,773,370.50 is: 664,848,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,247,179.28 : 1,211,982,947.01 = 481,773,370.50 : x
  2. Step 2: Convert to fraction form
    878,247,179.28/1,211,982,947.01 = 481,773,370.50/x
  3. Step 3: Cross multiply
    878,247,179.28x = 1,211,982,947.01 × 481,773,370.50
  4. Step 4: Simplify right side
    878,247,179.28x = 583,901,109,369,530,624
  5. Step 5: Solve for x
    x = 583,901,109,369,530,624/878,247,179.28
  6. Step 6: Final answer
    x = 664,848,260.43

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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.