Home / 262,476,390.99-393,344,939.69-200,826,873.07

Finding the Fourth Proportional to 262,476,390.99, 393,344,939.69 and 200,826,873.07

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Solution

The fourth proportional to 262,476,390.99, 393,344,939.69 and 200,826,873.07 is: 300,957,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,476,390.99 : 393,344,939.69 = 200,826,873.07 : x
  2. Step 2: Convert to fraction form
    262,476,390.99/393,344,939.69 = 200,826,873.07/x
  3. Step 3: Cross multiply
    262,476,390.99x = 393,344,939.69 × 200,826,873.07
  4. Step 4: Simplify right side
    262,476,390.99x = 78,994,234,274,846,304
  5. Step 5: Solve for x
    x = 78,994,234,274,846,304/262,476,390.99
  6. Step 6: Final answer
    x = 300,957,484.13

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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.