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Finding the Fourth Proportional to 1,099,414,679.40, 1,649,122,019.10 and 663,207,906.60

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Solution

The fourth proportional to 1,099,414,679.40, 1,649,122,019.10 and 663,207,906.60 is: 994,811,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,414,679.40 : 1,649,122,019.10 = 663,207,906.60 : x
  2. Step 2: Convert to fraction form
    1,099,414,679.40/1,649,122,019.10 = 663,207,906.60/x
  3. Step 3: Cross multiply
    1,099,414,679.40x = 1,649,122,019.10 × 663,207,906.60
  4. Step 4: Simplify right side
    1,099,414,679.40x = 1,093,710,762,015,276,160
  5. Step 5: Solve for x
    x = 1,093,710,762,015,276,160/1,099,414,679.40
  6. Step 6: Final answer
    x = 994,811,859.90

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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.