Home / 2,839,150,012.20-4,254,918,259.58-2,209,642,193.54

Finding the Fourth Proportional to 2,839,150,012.20, 4,254,918,259.58 and 2,209,642,193.54

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Solution

The fourth proportional to 2,839,150,012.20, 4,254,918,259.58 and 2,209,642,193.54 is: 3,311,500,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,150,012.20 : 4,254,918,259.58 = 2,209,642,193.54 : x
  2. Step 2: Convert to fraction form
    2,839,150,012.20/4,254,918,259.58 = 2,209,642,193.54/x
  3. Step 3: Cross multiply
    2,839,150,012.20x = 4,254,918,259.58 × 2,209,642,193.54
  4. Step 4: Simplify right side
    2,839,150,012.20x = 9,401,846,916,399,425,536
  5. Step 5: Solve for x
    x = 9,401,846,916,399,425,536/2,839,150,012.20
  6. Step 6: Final answer
    x = 3,311,500,581.51

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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.