Home / 446,396,451.87-669,220,120.74-197,361,502.18

Finding the Fourth Proportional to 446,396,451.87, 669,220,120.74 and 197,361,502.18

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Solution

The fourth proportional to 446,396,451.87, 669,220,120.74 and 197,361,502.18 is: 295,876,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,396,451.87 : 669,220,120.74 = 197,361,502.18 : x
  2. Step 2: Convert to fraction form
    446,396,451.87/669,220,120.74 = 197,361,502.18/x
  3. Step 3: Cross multiply
    446,396,451.87x = 669,220,120.74 × 197,361,502.18
  4. Step 4: Simplify right side
    446,396,451.87x = 132,078,288,318,940,928
  5. Step 5: Solve for x
    x = 132,078,288,318,940,928/446,396,451.87
  6. Step 6: Final answer
    x = 295,876,653.51

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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.