Home / 1,820,473,579.87-2,512,257,907.22-985,107,114.43

Finding the Fourth Proportional to 1,820,473,579.87, 2,512,257,907.22 and 985,107,114.43

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Solution

The fourth proportional to 1,820,473,579.87, 2,512,257,907.22 and 985,107,114.43 is: 1,359,450,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,473,579.87 : 2,512,257,907.22 = 985,107,114.43 : x
  2. Step 2: Convert to fraction form
    1,820,473,579.87/2,512,257,907.22 = 985,107,114.43/x
  3. Step 3: Cross multiply
    1,820,473,579.87x = 2,512,257,907.22 × 985,107,114.43
  4. Step 4: Simplify right side
    1,820,473,579.87x = 2,474,843,137,677,982,208
  5. Step 5: Solve for x
    x = 2,474,843,137,677,982,208/1,820,473,579.87
  6. Step 6: Final answer
    x = 1,359,450,181.01

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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.