Home / 356,096,734.68-491,416,379.20-197,329,509.66

Finding the Fourth Proportional to 356,096,734.68, 491,416,379.20 and 197,329,509.66

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Solution

The fourth proportional to 356,096,734.68, 491,416,379.20 and 197,329,509.66 is: 272,316,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,096,734.68 : 491,416,379.20 = 197,329,509.66 : x
  2. Step 2: Convert to fraction form
    356,096,734.68/491,416,379.20 = 197,329,509.66/x
  3. Step 3: Cross multiply
    356,096,734.68x = 491,416,379.20 × 197,329,509.66
  4. Step 4: Simplify right side
    356,096,734.68x = 96,970,953,146,428,624
  5. Step 5: Solve for x
    x = 96,970,953,146,428,624/356,096,734.68
  6. Step 6: Final answer
    x = 272,316,322.23

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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.