Home / 891,212,997.24-1,229,812,219.26-494,704,756.44

Finding the Fourth Proportional to 891,212,997.24, 1,229,812,219.26 and 494,704,756.44

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Solution

The fourth proportional to 891,212,997.24, 1,229,812,219.26 and 494,704,756.44 is: 682,658,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,212,997.24 : 1,229,812,219.26 = 494,704,756.44 : x
  2. Step 2: Convert to fraction form
    891,212,997.24/1,229,812,219.26 = 494,704,756.44/x
  3. Step 3: Cross multiply
    891,212,997.24x = 1,229,812,219.26 × 494,704,756.44
  4. Step 4: Simplify right side
    891,212,997.24x = 608,393,954,395,954,176
  5. Step 5: Solve for x
    x = 608,393,954,395,954,176/891,212,997.24
  6. Step 6: Final answer
    x = 682,658,305.34

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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.