Home / 299,532,819.20-448,403,433.60-178,301,868.80

Finding the Fourth Proportional to 299,532,819.20, 448,403,433.60 and 178,301,868.80

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Solution

The fourth proportional to 299,532,819.20, 448,403,433.60 and 178,301,868.80 is: 266,919,566.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,532,819.20 : 448,403,433.60 = 178,301,868.80 : x
  2. Step 2: Convert to fraction form
    299,532,819.20/448,403,433.60 = 178,301,868.80/x
  3. Step 3: Cross multiply
    299,532,819.20x = 448,403,433.60 × 178,301,868.80
  4. Step 4: Simplify right side
    299,532,819.20x = 79,951,170,187,216,720
  5. Step 5: Solve for x
    x = 79,951,170,187,216,720/299,532,819.20
  6. Step 6: Final answer
    x = 266,919,566.28

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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.