Home / 538,231,528.80-807,725,206.80-231,743,599.20

Finding the Fourth Proportional to 538,231,528.80, 807,725,206.80 and 231,743,599.20

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Solution

The fourth proportional to 538,231,528.80, 807,725,206.80 and 231,743,599.20 is: 347,778,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,231,528.80 : 807,725,206.80 = 231,743,599.20 : x
  2. Step 2: Convert to fraction form
    538,231,528.80/807,725,206.80 = 231,743,599.20/x
  3. Step 3: Cross multiply
    538,231,528.80x = 807,725,206.80 × 231,743,599.20
  4. Step 4: Simplify right side
    538,231,528.80x = 187,185,146,588,396,288
  5. Step 5: Solve for x
    x = 187,185,146,588,396,288/538,231,528.80
  6. Step 6: Final answer
    x = 347,778,115.13

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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.