Home / 356,156,662.55-491,496,240.92-197,397,035.31

Finding the Fourth Proportional to 356,156,662.55, 491,496,240.92 and 197,397,035.31

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Solution

The fourth proportional to 356,156,662.55, 491,496,240.92 and 197,397,035.31 is: 272,407,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,156,662.55 : 491,496,240.92 = 197,397,035.31 : x
  2. Step 2: Convert to fraction form
    356,156,662.55/491,496,240.92 = 197,397,035.31/x
  3. Step 3: Cross multiply
    356,156,662.55x = 491,496,240.92 × 197,397,035.31
  4. Step 4: Simplify right side
    356,156,662.55x = 97,019,900,823,617,504
  5. Step 5: Solve for x
    x = 97,019,900,823,617,504/356,156,662.55
  6. Step 6: Final answer
    x = 272,407,934.56

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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.