Home / 3,985,754,965.60-5,978,632,448.40-1,914,977,394.40

Finding the Fourth Proportional to 3,985,754,965.60, 5,978,632,448.40 and 1,914,977,394.40

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Solution

The fourth proportional to 3,985,754,965.60, 5,978,632,448.40 and 1,914,977,394.40 is: 2,872,466,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,754,965.60 : 5,978,632,448.40 = 1,914,977,394.40 : x
  2. Step 2: Convert to fraction form
    3,985,754,965.60/5,978,632,448.40 = 1,914,977,394.40/x
  3. Step 3: Cross multiply
    3,985,754,965.60x = 5,978,632,448.40 × 1,914,977,394.40
  4. Step 4: Simplify right side
    3,985,754,965.60x = 11,448,945,988,112,324,608
  5. Step 5: Solve for x
    x = 11,448,945,988,112,324,608/3,985,754,965.60
  6. Step 6: Final answer
    x = 2,872,466,091.60

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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.