Home / 309,093,619.60-463,640,429.40-231,999,245.20

Finding the Fourth Proportional to 309,093,619.60, 463,640,429.40 and 231,999,245.20

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Solution

The fourth proportional to 309,093,619.60, 463,640,429.40 and 231,999,245.20 is: 347,998,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,093,619.60 : 463,640,429.40 = 231,999,245.20 : x
  2. Step 2: Convert to fraction form
    309,093,619.60/463,640,429.40 = 231,999,245.20/x
  3. Step 3: Cross multiply
    309,093,619.60x = 463,640,429.40 × 231,999,245.20
  4. Step 4: Simplify right side
    309,093,619.60x = 107,564,229,665,003,872
  5. Step 5: Solve for x
    x = 107,564,229,665,003,872/309,093,619.60
  6. Step 6: Final answer
    x = 347,998,867.80

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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.