Home / 2,408,299,028.10-3,611,380,825.08-1,287,550,728.54

Finding the Fourth Proportional to 2,408,299,028.10, 3,611,380,825.08 and 1,287,550,728.54

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Solution

The fourth proportional to 2,408,299,028.10, 3,611,380,825.08 and 1,287,550,728.54 is: 1,930,755,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408,299,028.10 : 3,611,380,825.08 = 1,287,550,728.54 : x
  2. Step 2: Convert to fraction form
    2,408,299,028.10/3,611,380,825.08 = 1,287,550,728.54/x
  3. Step 3: Cross multiply
    2,408,299,028.10x = 3,611,380,825.08 × 1,287,550,728.54
  4. Step 4: Simplify right side
    2,408,299,028.10x = 4,649,836,012,367,139,840
  5. Step 5: Solve for x
    x = 4,649,836,012,367,139,840/2,408,299,028.10
  6. Step 6: Final answer
    x = 1,930,755,258.43

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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.