Home / 356,096,732.67-491,416,376.45-197,329,507.65

Finding the Fourth Proportional to 356,096,732.67, 491,416,376.45 and 197,329,507.65

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Solution

The fourth proportional to 356,096,732.67, 491,416,376.45 and 197,329,507.65 is: 272,316,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,096,732.67 : 491,416,376.45 = 197,329,507.65 : x
  2. Step 2: Convert to fraction form
    356,096,732.67/491,416,376.45 = 197,329,507.65/x
  3. Step 3: Cross multiply
    356,096,732.67x = 491,416,376.45 × 197,329,507.65
  4. Step 4: Simplify right side
    356,096,732.67x = 96,970,951,615,038,912
  5. Step 5: Solve for x
    x = 96,970,951,615,038,912/356,096,732.67
  6. Step 6: Final answer
    x = 272,316,319.47

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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.