Home / 280,166,608.50-420,413,675.30-202,366,795.38

Finding the Fourth Proportional to 280,166,608.50, 420,413,675.30 and 202,366,795.38

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Solution

The fourth proportional to 280,166,608.50, 420,413,675.30 and 202,366,795.38 is: 303,668,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,166,608.50 : 420,413,675.30 = 202,366,795.38 : x
  2. Step 2: Convert to fraction form
    280,166,608.50/420,413,675.30 = 202,366,795.38/x
  3. Step 3: Cross multiply
    280,166,608.50x = 420,413,675.30 × 202,366,795.38
  4. Step 4: Simplify right side
    280,166,608.50x = 85,077,768,204,388,864
  5. Step 5: Solve for x
    x = 85,077,768,204,388,864/280,166,608.50
  6. Step 6: Final answer
    x = 303,668,480.19

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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.