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Finding the Fourth Proportional to 8,858,911,260.60, 13,288,366,890.90 and 8,858,911,260.60

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Solution

The fourth proportional to 8,858,911,260.60, 13,288,366,890.90 and 8,858,911,260.60 is: 13,288,366,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,911,260.60 : 13,288,366,890.90 = 8,858,911,260.60 : x
  2. Step 2: Convert to fraction form
    8,858,911,260.60/13,288,366,890.90 = 8,858,911,260.60/x
  3. Step 3: Cross multiply
    8,858,911,260.60x = 13,288,366,890.90 × 8,858,911,260.60
  4. Step 4: Simplify right side
    8,858,911,260.60x = 117,720,463,084,778,225,664
  5. Step 5: Solve for x
    x = 117,720,463,084,778,225,664/8,858,911,260.60
  6. Step 6: Final answer
    x = 13,288,366,890.90

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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.