Home / 11,470,043,284.87-15,826,558,488.73-6,389,280,780.78

Finding the Fourth Proportional to 11,470,043,284.87, 15,826,558,488.73 and 6,389,280,780.78

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Solution

The fourth proportional to 11,470,043,284.87, 15,826,558,488.73 and 6,389,280,780.78 is: 8,816,036,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470,043,284.87 : 15,826,558,488.73 = 6,389,280,780.78 : x
  2. Step 2: Convert to fraction form
    11,470,043,284.87/15,826,558,488.73 = 6,389,280,780.78/x
  3. Step 3: Cross multiply
    11,470,043,284.87x = 15,826,558,488.73 × 6,389,280,780.78
  4. Step 4: Simplify right side
    11,470,043,284.87x = 101,120,325,977,933,152,256
  5. Step 5: Solve for x
    x = 101,120,325,977,933,152,256/11,470,043,284.87
  6. Step 6: Final answer
    x = 8,816,036,998.86

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.