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Finding the Fourth Proportional to 2,199,248,878.80, 3,298,873,318.20 and 2,199,248,878.80

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Solution

The fourth proportional to 2,199,248,878.80, 3,298,873,318.20 and 2,199,248,878.80 is: 3,298,873,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,248,878.80 : 3,298,873,318.20 = 2,199,248,878.80 : x
  2. Step 2: Convert to fraction form
    2,199,248,878.80/3,298,873,318.20 = 2,199,248,878.80/x
  3. Step 3: Cross multiply
    2,199,248,878.80x = 3,298,873,318.20 × 2,199,248,878.80
  4. Step 4: Simplify right side
    2,199,248,878.80x = 7,255,043,446,354,585,600
  5. Step 5: Solve for x
    x = 7,255,043,446,354,585,600/2,199,248,878.80
  6. Step 6: Final answer
    x = 3,298,873,318.20

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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.