Home / 878,247,184.28-1,211,982,953.91-481,773,375.50

Finding the Fourth Proportional to 878,247,184.28, 1,211,982,953.91 and 481,773,375.50

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Solution

The fourth proportional to 878,247,184.28, 1,211,982,953.91 and 481,773,375.50 is: 664,848,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,247,184.28 : 1,211,982,953.91 = 481,773,375.50 : x
  2. Step 2: Convert to fraction form
    878,247,184.28/1,211,982,953.91 = 481,773,375.50/x
  3. Step 3: Cross multiply
    878,247,184.28x = 1,211,982,953.91 × 481,773,375.50
  4. Step 4: Simplify right side
    878,247,184.28x = 583,901,118,753,681,664
  5. Step 5: Solve for x
    x = 583,901,118,753,681,664/878,247,184.28
  6. Step 6: Final answer
    x = 664,848,267.33

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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.