Home / 3,985,754,858.10-5,978,632,287.15-1,914,977,286.90

Finding the Fourth Proportional to 3,985,754,858.10, 5,978,632,287.15 and 1,914,977,286.90

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Solution

The fourth proportional to 3,985,754,858.10, 5,978,632,287.15 and 1,914,977,286.90 is: 2,872,465,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,754,858.10 : 5,978,632,287.15 = 1,914,977,286.90 : x
  2. Step 2: Convert to fraction form
    3,985,754,858.10/5,978,632,287.15 = 1,914,977,286.90/x
  3. Step 3: Cross multiply
    3,985,754,858.10x = 5,978,632,287.15 × 1,914,977,286.90
  4. Step 4: Simplify right side
    3,985,754,858.10x = 11,448,945,036,619,247,616
  5. Step 5: Solve for x
    x = 11,448,945,036,619,247,616/3,985,754,858.10
  6. Step 6: Final answer
    x = 2,872,465,930.35

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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.