Home / 299,532,815.20-448,403,427.60-178,301,864.80

Finding the Fourth Proportional to 299,532,815.20, 448,403,427.60 and 178,301,864.80

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Solution

The fourth proportional to 299,532,815.20, 448,403,427.60 and 178,301,864.80 is: 266,919,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,532,815.20 : 448,403,427.60 = 178,301,864.80 : x
  2. Step 2: Convert to fraction form
    299,532,815.20/448,403,427.60 = 178,301,864.80/x
  3. Step 3: Cross multiply
    299,532,815.20x = 448,403,427.60 × 178,301,864.80
  4. Step 4: Simplify right side
    299,532,815.20x = 79,951,167,323,791,792
  5. Step 5: Solve for x
    x = 79,951,167,323,791,792/299,532,815.20
  6. Step 6: Final answer
    x = 266,919,560.28

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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.