Home / 472,396,219.20-708,594,328.80-455,177,530.80

Finding the Fourth Proportional to 472,396,219.20, 708,594,328.80 and 455,177,530.80

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Solution

The fourth proportional to 472,396,219.20, 708,594,328.80 and 455,177,530.80 is: 682,766,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,219.20 : 708,594,328.80 = 455,177,530.80 : x
  2. Step 2: Convert to fraction form
    472,396,219.20/708,594,328.80 = 455,177,530.80/x
  3. Step 3: Cross multiply
    472,396,219.20x = 708,594,328.80 × 455,177,530.80
  4. Step 4: Simplify right side
    472,396,219.20x = 322,536,216,922,067,328
  5. Step 5: Solve for x
    x = 322,536,216,922,067,328/472,396,219.20
  6. Step 6: Final answer
    x = 682,766,296.20

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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.