Home / 472,396,366.80-708,594,550.20-443,674,933.20

Finding the Fourth Proportional to 472,396,366.80, 708,594,550.20 and 443,674,933.20

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Solution

The fourth proportional to 472,396,366.80, 708,594,550.20 and 443,674,933.20 is: 665,512,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,366.80 : 708,594,550.20 = 443,674,933.20 : x
  2. Step 2: Convert to fraction form
    472,396,366.80/708,594,550.20 = 443,674,933.20/x
  3. Step 3: Cross multiply
    472,396,366.80x = 708,594,550.20 × 443,674,933.20
  4. Step 4: Simplify right side
    472,396,366.80x = 314,385,639,725,869,056
  5. Step 5: Solve for x
    x = 314,385,639,725,869,056/472,396,366.80
  6. Step 6: Final answer
    x = 665,512,399.80

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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.