Home / 1,672,728,229.54-2,509,378,196.82-689,617,350.46

Finding the Fourth Proportional to 1,672,728,229.54, 2,509,378,196.82 and 689,617,350.46

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Solution

The fourth proportional to 1,672,728,229.54, 2,509,378,196.82 and 689,617,350.46 is: 1,034,543,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,728,229.54 : 2,509,378,196.82 = 689,617,350.46 : x
  2. Step 2: Convert to fraction form
    1,672,728,229.54/2,509,378,196.82 = 689,617,350.46/x
  3. Step 3: Cross multiply
    1,672,728,229.54x = 2,509,378,196.82 × 689,617,350.46
  4. Step 4: Simplify right side
    1,672,728,229.54x = 1,730,510,743,393,101,056
  5. Step 5: Solve for x
    x = 1,730,510,743,393,101,056/1,672,728,229.54
  6. Step 6: Final answer
    x = 1,034,543,874.39

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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.