Home / 1,039,850,540.20-1,435,147,761-658,408,029.52

Finding the Fourth Proportional to 1,039,850,540.20, 1,435,147,761 and 658,408,029.52

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Solution

The fourth proportional to 1,039,850,540.20, 1,435,147,761 and 658,408,029.52 is: 908,700,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,850,540.20 : 1,435,147,761 = 658,408,029.52 : x
  2. Step 2: Convert to fraction form
    1,039,850,540.20/1,435,147,761 = 658,408,029.52/x
  3. Step 3: Cross multiply
    1,039,850,540.20x = 1,435,147,761 × 658,408,029.52
  4. Step 4: Simplify right side
    1,039,850,540.20x = 944,912,809,390,049,920
  5. Step 5: Solve for x
    x = 944,912,809,390,049,920/1,039,850,540.20
  6. Step 6: Final answer
    x = 908,700,599.62

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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.