Home / 538,282,056.80-807,800,998.80-231,794,127.20

Finding the Fourth Proportional to 538,282,056.80, 807,800,998.80 and 231,794,127.20

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Solution

The fourth proportional to 538,282,056.80, 807,800,998.80 and 231,794,127.20 is: 347,853,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,282,056.80 : 807,800,998.80 = 231,794,127.20 : x
  2. Step 2: Convert to fraction form
    538,282,056.80/807,800,998.80 = 231,794,127.20/x
  3. Step 3: Cross multiply
    538,282,056.80x = 807,800,998.80 × 231,794,127.20
  4. Step 4: Simplify right side
    538,282,056.80x = 187,243,527,468,134,240
  5. Step 5: Solve for x
    x = 187,243,527,468,134,240/538,282,056.80
  6. Step 6: Final answer
    x = 347,853,927.33

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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.