Home / 492,730,489,229.62-739,179,173,642.19-169,945,656,361.78

Finding the Fourth Proportional to 492,730,489,229.62, 739,179,173,642.19 and 169,945,656,361.78

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Solution

The fourth proportional to 492,730,489,229.62, 739,179,173,642.19 and 169,945,656,361.78 is: 254,947,263,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,730,489,229.62 : 739,179,173,642.19 = 169,945,656,361.78 : x
  2. Step 2: Convert to fraction form
    492,730,489,229.62/739,179,173,642.19 = 169,945,656,361.78/x
  3. Step 3: Cross multiply
    492,730,489,229.62x = 739,179,173,642.19 × 169,945,656,361.78
  4. Step 4: Simplify right side
    492,730,489,229.62x = 125,620,289,833,580,114,214,912
  5. Step 5: Solve for x
    x = 125,620,289,833,580,114,214,912/492,730,489,229.62
  6. Step 6: Final answer
    x = 254,947,263,421.81

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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.