Home / 331,776,199.80-497,664,299.70-211,142,446.20

Finding the Fourth Proportional to 331,776,199.80, 497,664,299.70 and 211,142,446.20

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Solution

The fourth proportional to 331,776,199.80, 497,664,299.70 and 211,142,446.20 is: 316,713,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,199.80 : 497,664,299.70 = 211,142,446.20 : x
  2. Step 2: Convert to fraction form
    331,776,199.80/497,664,299.70 = 211,142,446.20/x
  3. Step 3: Cross multiply
    331,776,199.80x = 497,664,299.70 × 211,142,446.20
  4. Step 4: Simplify right side
    331,776,199.80x = 105,078,057,625,067,920
  5. Step 5: Solve for x
    x = 105,078,057,625,067,920/331,776,199.80
  6. Step 6: Final answer
    x = 316,713,669.30

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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.