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Finding the Fourth Proportional to 484,009,692.10, 726,014,538.15 and 120,504,048.10

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Solution

The fourth proportional to 484,009,692.10, 726,014,538.15 and 120,504,048.10 is: 180,756,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,009,692.10 : 726,014,538.15 = 120,504,048.10 : x
  2. Step 2: Convert to fraction form
    484,009,692.10/726,014,538.15 = 120,504,048.10/x
  3. Step 3: Cross multiply
    484,009,692.10x = 726,014,538.15 × 120,504,048.10
  4. Step 4: Simplify right side
    484,009,692.10x = 87,487,690,826,526,880
  5. Step 5: Solve for x
    x = 87,487,690,826,526,880/484,009,692.10
  6. Step 6: Final answer
    x = 180,756,072.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.