Home / 331,193,753.40-496,790,630.10-328,926,271.80

Finding the Fourth Proportional to 331,193,753.40, 496,790,630.10 and 328,926,271.80

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Solution

The fourth proportional to 331,193,753.40, 496,790,630.10 and 328,926,271.80 is: 493,389,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,193,753.40 : 496,790,630.10 = 328,926,271.80 : x
  2. Step 2: Convert to fraction form
    331,193,753.40/496,790,630.10 = 328,926,271.80/x
  3. Step 3: Cross multiply
    331,193,753.40x = 496,790,630.10 × 328,926,271.80
  4. Step 4: Simplify right side
    331,193,753.40x = 163,407,489,823,965,888
  5. Step 5: Solve for x
    x = 163,407,489,823,965,888/331,193,753.40
  6. Step 6: Final answer
    x = 493,389,407.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.