Home / 356,156,725.61-491,496,328.10-197,397,098.42

Finding the Fourth Proportional to 356,156,725.61, 491,496,328.10 and 197,397,098.42

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Solution

The fourth proportional to 356,156,725.61, 491,496,328.10 and 197,397,098.42 is: 272,408,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,156,725.61 : 491,496,328.10 = 197,397,098.42 : x
  2. Step 2: Convert to fraction form
    356,156,725.61/491,496,328.10 = 197,397,098.42/x
  3. Step 3: Cross multiply
    356,156,725.61x = 491,496,328.10 × 197,397,098.42
  4. Step 4: Simplify right side
    356,156,725.61x = 97,019,949,049,060,320
  5. Step 5: Solve for x
    x = 97,019,949,049,060,320/356,156,725.61
  6. Step 6: Final answer
    x = 272,408,021.73

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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.