Home / 443,378,091.70-665,067,137.55-432,040,683.70

Finding the Fourth Proportional to 443,378,091.70, 665,067,137.55 and 432,040,683.70

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Solution

The fourth proportional to 443,378,091.70, 665,067,137.55 and 432,040,683.70 is: 648,061,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,378,091.70 : 665,067,137.55 = 432,040,683.70 : x
  2. Step 2: Convert to fraction form
    443,378,091.70/665,067,137.55 = 432,040,683.70/x
  3. Step 3: Cross multiply
    443,378,091.70x = 665,067,137.55 × 432,040,683.70
  4. Step 4: Simplify right side
    443,378,091.70x = 287,336,060,813,503,904
  5. Step 5: Solve for x
    x = 287,336,060,813,503,904/443,378,091.70
  6. Step 6: Final answer
    x = 648,061,025.55

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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.