Home / 324,489,033.63-486,733,550.85-78,844,406.31

Finding the Fourth Proportional to 324,489,033.63, 486,733,550.85 and 78,844,406.31

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Solution

The fourth proportional to 324,489,033.63, 486,733,550.85 and 78,844,406.31 is: 118,266,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,489,033.63 : 486,733,550.85 = 78,844,406.31 : x
  2. Step 2: Convert to fraction form
    324,489,033.63/486,733,550.85 = 78,844,406.31/x
  3. Step 3: Cross multiply
    324,489,033.63x = 486,733,550.85 × 78,844,406.31
  4. Step 4: Simplify right side
    324,489,033.63x = 38,376,217,847,926,448
  5. Step 5: Solve for x
    x = 38,376,217,847,926,448/324,489,033.63
  6. Step 6: Final answer
    x = 118,266,609.56

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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.