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Finding the Fourth Proportional to 2,135,605,546.90, 2,991,888,499.10 and 2,135,605,546.90

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Solution

The fourth proportional to 2,135,605,546.90, 2,991,888,499.10 and 2,135,605,546.90 is: 2,991,888,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,605,546.90 : 2,991,888,499.10 = 2,135,605,546.90 : x
  2. Step 2: Convert to fraction form
    2,135,605,546.90/2,991,888,499.10 = 2,135,605,546.90/x
  3. Step 3: Cross multiply
    2,135,605,546.90x = 2,991,888,499.10 × 2,135,605,546.90
  4. Step 4: Simplify right side
    2,135,605,546.90x = 6,389,493,674,384,275,456
  5. Step 5: Solve for x
    x = 6,389,493,674,384,275,456/2,135,605,546.90
  6. Step 6: Final answer
    x = 2,991,888,499.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.