Home / 356,358,131,692.31-491,783,542,098.77-193,787,285,742.56

Finding the Fourth Proportional to 356,358,131,692.31, 491,783,542,098.77 and 193,787,285,742.56

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Solution

The fourth proportional to 356,358,131,692.31, 491,783,542,098.77 and 193,787,285,742.56 is: 267,431,522,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,358,131,692.31 : 491,783,542,098.77 = 193,787,285,742.56 : x
  2. Step 2: Convert to fraction form
    356,358,131,692.31/491,783,542,098.77 = 193,787,285,742.56/x
  3. Step 3: Cross multiply
    356,358,131,692.31x = 491,783,542,098.77 × 193,787,285,742.56
  4. Step 4: Simplify right side
    356,358,131,692.31x = 95,301,397,796,182,636,363,776
  5. Step 5: Solve for x
    x = 95,301,397,796,182,636,363,776/356,358,131,692.31
  6. Step 6: Final answer
    x = 267,431,522,731.38

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1.5x scale

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.