Home / 472,394,336.80-708,591,505.20-326,992,079.20

Finding the Fourth Proportional to 472,394,336.80, 708,591,505.20 and 326,992,079.20

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Solution

The fourth proportional to 472,394,336.80, 708,591,505.20 and 326,992,079.20 is: 490,488,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,336.80 : 708,591,505.20 = 326,992,079.20 : x
  2. Step 2: Convert to fraction form
    472,394,336.80/708,591,505.20 = 326,992,079.20/x
  3. Step 3: Cross multiply
    472,394,336.80x = 708,591,505.20 × 326,992,079.20
  4. Step 4: Simplify right side
    472,394,336.80x = 231,703,809,588,805,632
  5. Step 5: Solve for x
    x = 231,703,809,588,805,632/472,394,336.80
  6. Step 6: Final answer
    x = 490,488,118.80

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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.