Home / 681,339,692.34-1,022,017,648.68-190,023,069.09

Finding the Fourth Proportional to 681,339,692.34, 1,022,017,648.68 and 190,023,069.09

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Solution

The fourth proportional to 681,339,692.34, 1,022,017,648.68 and 190,023,069.09 is: 285,036,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,339,692.34 : 1,022,017,648.68 = 190,023,069.09 : x
  2. Step 2: Convert to fraction form
    681,339,692.34/1,022,017,648.68 = 190,023,069.09/x
  3. Step 3: Cross multiply
    681,339,692.34x = 1,022,017,648.68 × 190,023,069.09
  4. Step 4: Simplify right side
    681,339,692.34x = 194,206,930,266,318,976
  5. Step 5: Solve for x
    x = 194,206,930,266,318,976/681,339,692.34
  6. Step 6: Final answer
    x = 285,036,865.53

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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.