Home / 331,753,286.40-497,629,929.60-210,671,635.20

Finding the Fourth Proportional to 331,753,286.40, 497,629,929.60 and 210,671,635.20

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Solution

The fourth proportional to 331,753,286.40, 497,629,929.60 and 210,671,635.20 is: 316,007,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,753,286.40 : 497,629,929.60 = 210,671,635.20 : x
  2. Step 2: Convert to fraction form
    331,753,286.40/497,629,929.60 = 210,671,635.20/x
  3. Step 3: Cross multiply
    331,753,286.40x = 497,629,929.60 × 210,671,635.20
  4. Step 4: Simplify right side
    331,753,286.40x = 104,836,510,993,292,880
  5. Step 5: Solve for x
    x = 104,836,510,993,292,880/331,753,286.40
  6. Step 6: Final answer
    x = 316,007,452.80

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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.