Home / 881,149,195.68-1,216,008,824.67-484,682,399.88

Finding the Fourth Proportional to 881,149,195.68, 1,216,008,824.67 and 484,682,399.88

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Solution

The fourth proportional to 881,149,195.68, 1,216,008,824.67 and 484,682,399.88 is: 668,874,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,149,195.68 : 1,216,008,824.67 = 484,682,399.88 : x
  2. Step 2: Convert to fraction form
    881,149,195.68/1,216,008,824.67 = 484,682,399.88/x
  3. Step 3: Cross multiply
    881,149,195.68x = 1,216,008,824.67 × 484,682,399.88
  4. Step 4: Simplify right side
    881,149,195.68x = 589,378,075,416,313,728
  5. Step 5: Solve for x
    x = 589,378,075,416,313,728/881,149,195.68
  6. Step 6: Final answer
    x = 668,874,327.19

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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.