Home / 472,395,611.20-708,593,416.80-455,176,922.80

Finding the Fourth Proportional to 472,395,611.20, 708,593,416.80 and 455,176,922.80

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Solution

The fourth proportional to 472,395,611.20, 708,593,416.80 and 455,176,922.80 is: 682,765,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,395,611.20 : 708,593,416.80 = 455,176,922.80 : x
  2. Step 2: Convert to fraction form
    472,395,611.20/708,593,416.80 = 455,176,922.80/x
  3. Step 3: Cross multiply
    472,395,611.20x = 708,593,416.80 × 455,176,922.80
  4. Step 4: Simplify right side
    472,395,611.20x = 322,535,370,975,361,792
  5. Step 5: Solve for x
    x = 322,535,370,975,361,792/472,395,611.20
  6. Step 6: Final answer
    x = 682,765,384.20

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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.