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Finding the Fourth Proportional to 26,407,339,905.90, 39,611,009,858.85 and 26,407,339,905.90

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Solution

The fourth proportional to 26,407,339,905.90, 39,611,009,858.85 and 26,407,339,905.90 is: 39,611,009,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407,339,905.90 : 39,611,009,858.85 = 26,407,339,905.90 : x
  2. Step 2: Convert to fraction form
    26,407,339,905.90/39,611,009,858.85 = 26,407,339,905.90/x
  3. Step 3: Cross multiply
    26,407,339,905.90x = 39,611,009,858.85 × 26,407,339,905.90
  4. Step 4: Simplify right side
    26,407,339,905.90x = 1,046,021,401,358,607,974,400
  5. Step 5: Solve for x
    x = 1,046,021,401,358,607,974,400/26,407,339,905.90
  6. Step 6: Final answer
    x = 39,611,009,858.85

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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.