Home / 356,096,738.31-491,416,384.17-197,329,513.29

Finding the Fourth Proportional to 356,096,738.31, 491,416,384.17 and 197,329,513.29

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Solution

The fourth proportional to 356,096,738.31, 491,416,384.17 and 197,329,513.29 is: 272,316,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,096,738.31 : 491,416,384.17 = 197,329,513.29 : x
  2. Step 2: Convert to fraction form
    356,096,738.31/491,416,384.17 = 197,329,513.29/x
  3. Step 3: Cross multiply
    356,096,738.31x = 491,416,384.17 × 197,329,513.29
  4. Step 4: Simplify right side
    356,096,738.31x = 96,970,955,910,997,760
  5. Step 5: Solve for x
    x = 96,970,955,910,997,760/356,096,738.31
  6. Step 6: Final answer
    x = 272,316,327.22

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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.