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Finding the Fourth Proportional to 66,802,361,680.80, 100,203,542,521.20 and 66,802,361,680.80

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Solution

The fourth proportional to 66,802,361,680.80, 100,203,542,521.20 and 66,802,361,680.80 is: 100,203,542,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802,361,680.80 : 100,203,542,521.20 = 66,802,361,680.80 : x
  2. Step 2: Convert to fraction form
    66,802,361,680.80/100,203,542,521.20 = 66,802,361,680.80/x
  3. Step 3: Cross multiply
    66,802,361,680.80x = 100,203,542,521.20 × 66,802,361,680.80
  4. Step 4: Simplify right side
    66,802,361,680.80x = 6,693,833,289,198,624,309,248
  5. Step 5: Solve for x
    x = 6,693,833,289,198,624,309,248/66,802,361,680.80
  6. Step 6: Final answer
    x = 100,203,542,521.20

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1.5x scale

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.