Home / 356,096,917.44-491,416,631.87-197,329,692.78

Finding the Fourth Proportional to 356,096,917.44, 491,416,631.87 and 197,329,692.78

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Solution

The fourth proportional to 356,096,917.44, 491,416,631.87 and 197,329,692.78 is: 272,316,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,096,917.44 : 491,416,631.87 = 197,329,692.78 : x
  2. Step 2: Convert to fraction form
    356,096,917.44/491,416,631.87 = 197,329,692.78/x
  3. Step 3: Cross multiply
    356,096,917.44x = 491,416,631.87 × 197,329,692.78
  4. Step 4: Simplify right side
    356,096,917.44x = 96,971,092,992,902,816
  5. Step 5: Solve for x
    x = 96,971,092,992,902,816/356,096,917.44
  6. Step 6: Final answer
    x = 272,316,575.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.