Home / 3,771,993,868.20-5,205,116,998.46-2,078,353,735.23

Finding the Fourth Proportional to 3,771,993,868.20, 5,205,116,998.46 and 2,078,353,735.23

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Solution

The fourth proportional to 3,771,993,868.20, 5,205,116,998.46 and 2,078,353,735.23 is: 2,867,998,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771,993,868.20 : 5,205,116,998.46 = 2,078,353,735.23 : x
  2. Step 2: Convert to fraction form
    3,771,993,868.20/5,205,116,998.46 = 2,078,353,735.23/x
  3. Step 3: Cross multiply
    3,771,993,868.20x = 5,205,116,998.46 × 2,078,353,735.23
  4. Step 4: Simplify right side
    3,771,993,868.20x = 10,818,074,356,082,960,384
  5. Step 5: Solve for x
    x = 10,818,074,356,082,960,384/3,771,993,868.20
  6. Step 6: Final answer
    x = 2,867,998,924.20

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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.