Home / 331,776,190.80-497,664,286.20-211,142,437.20

Finding the Fourth Proportional to 331,776,190.80, 497,664,286.20 and 211,142,437.20

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Solution

The fourth proportional to 331,776,190.80, 497,664,286.20 and 211,142,437.20 is: 316,713,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,190.80 : 497,664,286.20 = 211,142,437.20 : x
  2. Step 2: Convert to fraction form
    331,776,190.80/497,664,286.20 = 211,142,437.20/x
  3. Step 3: Cross multiply
    331,776,190.80x = 497,664,286.20 × 211,142,437.20
  4. Step 4: Simplify right side
    331,776,190.80x = 105,078,050,295,666,320
  5. Step 5: Solve for x
    x = 105,078,050,295,666,320/331,776,190.80
  6. Step 6: Final answer
    x = 316,713,655.80

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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.