Home / 331,741,260.80-497,611,891.20-211,107,507.20

Finding the Fourth Proportional to 331,741,260.80, 497,611,891.20 and 211,107,507.20

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Solution

The fourth proportional to 331,741,260.80, 497,611,891.20 and 211,107,507.20 is: 316,661,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,741,260.80 : 497,611,891.20 = 211,107,507.20 : x
  2. Step 2: Convert to fraction form
    331,741,260.80/497,611,891.20 = 211,107,507.20/x
  3. Step 3: Cross multiply
    331,741,260.80x = 497,611,891.20 × 211,107,507.20
  4. Step 4: Simplify right side
    331,741,260.80x = 105,049,605,904,309,616
  5. Step 5: Solve for x
    x = 105,049,605,904,309,616/331,741,260.80
  6. Step 6: Final answer
    x = 316,661,260.80

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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.