Home / 3,769,767,990.12-5,202,647,285.85-2,815,491,998.70

Finding the Fourth Proportional to 3,769,767,990.12, 5,202,647,285.85 and 2,815,491,998.70

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Solution

The fourth proportional to 3,769,767,990.12, 5,202,647,285.85 and 2,815,491,998.70 is: 3,885,653,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769,767,990.12 : 5,202,647,285.85 = 2,815,491,998.70 : x
  2. Step 2: Convert to fraction form
    3,769,767,990.12/5,202,647,285.85 = 2,815,491,998.70/x
  3. Step 3: Cross multiply
    3,769,767,990.12x = 5,202,647,285.85 × 2,815,491,998.70
  4. Step 4: Simplify right side
    3,769,767,990.12x = 14,648,011,805,368,946,688
  5. Step 5: Solve for x
    x = 14,648,011,805,368,946,688/3,769,767,990.12
  6. Step 6: Final answer
    x = 3,885,653,399.30

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Double scale
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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.