Home / 262,593,911.52-393,538,752.98-204,371,889.12

Finding the Fourth Proportional to 262,593,911.52, 393,538,752.98 and 204,371,889.12

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Solution

The fourth proportional to 262,593,911.52, 393,538,752.98 and 204,371,889.12 is: 306,283,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,593,911.52 : 393,538,752.98 = 204,371,889.12 : x
  2. Step 2: Convert to fraction form
    262,593,911.52/393,538,752.98 = 204,371,889.12/x
  3. Step 3: Cross multiply
    262,593,911.52x = 393,538,752.98 × 204,371,889.12
  4. Step 4: Simplify right side
    262,593,911.52x = 80,428,258,388,451,632
  5. Step 5: Solve for x
    x = 80,428,258,388,451,632/262,593,911.52
  6. Step 6: Final answer
    x = 306,283,789.76

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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.