Home / 2,420,143,719.40-3,630,215,579.10-2,313,991,988.20

Finding the Fourth Proportional to 2,420,143,719.40, 3,630,215,579.10 and 2,313,991,988.20

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Solution

The fourth proportional to 2,420,143,719.40, 3,630,215,579.10 and 2,313,991,988.20 is: 3,470,987,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,143,719.40 : 3,630,215,579.10 = 2,313,991,988.20 : x
  2. Step 2: Convert to fraction form
    2,420,143,719.40/3,630,215,579.10 = 2,313,991,988.20/x
  3. Step 3: Cross multiply
    2,420,143,719.40x = 3,630,215,579.10 × 2,313,991,988.20
  4. Step 4: Simplify right side
    2,420,143,719.40x = 8,400,289,765,476,221,952
  5. Step 5: Solve for x
    x = 8,400,289,765,476,221,952/2,420,143,719.40
  6. Step 6: Final answer
    x = 3,470,987,982.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.