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Finding the Fourth Proportional to 7,398,692,786.70, 11,098,039,180.05 and 7,398,692,786.70

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Solution

The fourth proportional to 7,398,692,786.70, 11,098,039,180.05 and 7,398,692,786.70 is: 11,098,039,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398,692,786.70 : 11,098,039,180.05 = 7,398,692,786.70 : x
  2. Step 2: Convert to fraction form
    7,398,692,786.70/11,098,039,180.05 = 7,398,692,786.70/x
  3. Step 3: Cross multiply
    7,398,692,786.70x = 11,098,039,180.05 × 7,398,692,786.70
  4. Step 4: Simplify right side
    7,398,692,786.70x = 82,110,982,427,949,907,968
  5. Step 5: Solve for x
    x = 82,110,982,427,949,907,968/7,398,692,786.70
  6. Step 6: Final answer
    x = 11,098,039,180.05

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Double scale
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Similar ratio
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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.