Home / 262,476,389.49-393,344,937.44-200,826,871.57

Finding the Fourth Proportional to 262,476,389.49, 393,344,937.44 and 200,826,871.57

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Solution

The fourth proportional to 262,476,389.49, 393,344,937.44 and 200,826,871.57 is: 300,957,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,476,389.49 : 393,344,937.44 = 200,826,871.57 : x
  2. Step 2: Convert to fraction form
    262,476,389.49/393,344,937.44 = 200,826,871.57/x
  3. Step 3: Cross multiply
    262,476,389.49x = 393,344,937.44 × 200,826,871.57
  4. Step 4: Simplify right side
    262,476,389.49x = 78,994,233,232,968,432
  5. Step 5: Solve for x
    x = 78,994,233,232,968,432/262,476,389.49
  6. Step 6: Final answer
    x = 300,957,481.88

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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.