Home / 262,476,352.89-393,344,882.59-200,826,834.93

Finding the Fourth Proportional to 262,476,352.89, 393,344,882.59 and 200,826,834.93

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Solution

The fourth proportional to 262,476,352.89, 393,344,882.59 and 200,826,834.93 is: 300,957,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,476,352.89 : 393,344,882.59 = 200,826,834.93 : x
  2. Step 2: Convert to fraction form
    262,476,352.89/393,344,882.59 = 200,826,834.93/x
  3. Step 3: Cross multiply
    262,476,352.89x = 393,344,882.59 × 200,826,834.93
  4. Step 4: Simplify right side
    262,476,352.89x = 78,994,207,806,462,160
  5. Step 5: Solve for x
    x = 78,994,207,806,462,160/262,476,352.89
  6. Step 6: Final answer
    x = 300,957,426.97

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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.