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Finding the Fourth Proportional to 2,991,168,015.90, 4,486,752,023.85 and 2,991,168,015.90

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Solution

The fourth proportional to 2,991,168,015.90, 4,486,752,023.85 and 2,991,168,015.90 is: 4,486,752,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,168,015.90 : 4,486,752,023.85 = 2,991,168,015.90 : x
  2. Step 2: Convert to fraction form
    2,991,168,015.90/4,486,752,023.85 = 2,991,168,015.90/x
  3. Step 3: Cross multiply
    2,991,168,015.90x = 4,486,752,023.85 × 2,991,168,015.90
  4. Step 4: Simplify right side
    2,991,168,015.90x = 13,420,629,149,014,716,416
  5. Step 5: Solve for x
    x = 13,420,629,149,014,716,416/2,991,168,015.90
  6. Step 6: Final answer
    x = 4,486,752,023.85

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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.