Home / 2,120,571,716.37-3,179,793,363.96-1,235,543,090.04

Finding the Fourth Proportional to 2,120,571,716.37, 3,179,793,363.96 and 1,235,543,090.04

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Solution

The fourth proportional to 2,120,571,716.37, 3,179,793,363.96 and 1,235,543,090.04 is: 1,852,694,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,571,716.37 : 3,179,793,363.96 = 1,235,543,090.04 : x
  2. Step 2: Convert to fraction form
    2,120,571,716.37/3,179,793,363.96 = 1,235,543,090.04/x
  3. Step 3: Cross multiply
    2,120,571,716.37x = 3,179,793,363.96 × 1,235,543,090.04
  4. Step 4: Simplify right side
    2,120,571,716.37x = 3,928,771,718,595,824,640
  5. Step 5: Solve for x
    x = 3,928,771,718,595,824,640/2,120,571,716.37
  6. Step 6: Final answer
    x = 1,852,694,576.78

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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.