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Finding the Fourth Proportional to 3,969,397,841.70, 5,954,096,762.55 and 3,969,397,841.70

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Solution

The fourth proportional to 3,969,397,841.70, 5,954,096,762.55 and 3,969,397,841.70 is: 5,954,096,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,397,841.70 : 5,954,096,762.55 = 3,969,397,841.70 : x
  2. Step 2: Convert to fraction form
    3,969,397,841.70/5,954,096,762.55 = 3,969,397,841.70/x
  3. Step 3: Cross multiply
    3,969,397,841.70x = 5,954,096,762.55 × 3,969,397,841.70
  4. Step 4: Simplify right side
    3,969,397,841.70x = 23,634,178,838,538,928,128
  5. Step 5: Solve for x
    x = 23,634,178,838,538,928,128/3,969,397,841.70
  6. Step 6: Final answer
    x = 5,954,096,762.55

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Double scale
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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.