Home / 538,282,057.30-807,800,999.55-231,794,127.70

Finding the Fourth Proportional to 538,282,057.30, 807,800,999.55 and 231,794,127.70

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Solution

The fourth proportional to 538,282,057.30, 807,800,999.55 and 231,794,127.70 is: 347,853,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,282,057.30 : 807,800,999.55 = 231,794,127.70 : x
  2. Step 2: Convert to fraction form
    538,282,057.30/807,800,999.55 = 231,794,127.70/x
  3. Step 3: Cross multiply
    538,282,057.30x = 807,800,999.55 × 231,794,127.70
  4. Step 4: Simplify right side
    538,282,057.30x = 187,243,528,045,880,320
  5. Step 5: Solve for x
    x = 187,243,528,045,880,320/538,282,057.30
  6. Step 6: Final answer
    x = 347,853,928.08

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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.