Home / 3,868,318,491.72-5,338,297,596.30-2,197,659,306.48

Finding the Fourth Proportional to 3,868,318,491.72, 5,338,297,596.30 and 2,197,659,306.48

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Solution

The fourth proportional to 3,868,318,491.72, 5,338,297,596.30 and 2,197,659,306.48 is: 3,032,780,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,318,491.72 : 5,338,297,596.30 = 2,197,659,306.48 : x
  2. Step 2: Convert to fraction form
    3,868,318,491.72/5,338,297,596.30 = 2,197,659,306.48/x
  3. Step 3: Cross multiply
    3,868,318,491.72x = 5,338,297,596.30 × 2,197,659,306.48
  4. Step 4: Simplify right side
    3,868,318,491.72x = 11,731,759,393,268,508,672
  5. Step 5: Solve for x
    x = 11,731,759,393,268,508,672/3,868,318,491.72
  6. Step 6: Final answer
    x = 3,032,780,113.21

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1.5x scale

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.