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Finding the Fourth Proportional to 6,601,838,863.60, 9,902,758,295.40 and 6,601,838,863.60

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Solution

The fourth proportional to 6,601,838,863.60, 9,902,758,295.40 and 6,601,838,863.60 is: 9,902,758,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601,838,863.60 : 9,902,758,295.40 = 6,601,838,863.60 : x
  2. Step 2: Convert to fraction form
    6,601,838,863.60/9,902,758,295.40 = 6,601,838,863.60/x
  3. Step 3: Cross multiply
    6,601,838,863.60x = 9,902,758,295.40 × 6,601,838,863.60
  4. Step 4: Simplify right side
    6,601,838,863.60x = 65,376,414,571,409,006,592
  5. Step 5: Solve for x
    x = 65,376,414,571,409,006,592/6,601,838,863.60
  6. Step 6: Final answer
    x = 9,902,758,295.40

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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.