Home / 356,096,738.06-491,416,383.83-197,329,513.02

Finding the Fourth Proportional to 356,096,738.06, 491,416,383.83 and 197,329,513.02

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Solution

The fourth proportional to 356,096,738.06, 491,416,383.83 and 197,329,513.02 is: 272,316,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,096,738.06 : 491,416,383.83 = 197,329,513.02 : x
  2. Step 2: Convert to fraction form
    356,096,738.06/491,416,383.83 = 197,329,513.02/x
  3. Step 3: Cross multiply
    356,096,738.06x = 491,416,383.83 × 197,329,513.02
  4. Step 4: Simplify right side
    356,096,738.06x = 96,970,955,710,236,656
  5. Step 5: Solve for x
    x = 96,970,955,710,236,656/356,096,738.06
  6. Step 6: Final answer
    x = 272,316,326.85

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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.