Home / 323,870,544.40-485,805,816.60-292,629,686.80

Finding the Fourth Proportional to 323,870,544.40, 485,805,816.60 and 292,629,686.80

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Solution

The fourth proportional to 323,870,544.40, 485,805,816.60 and 292,629,686.80 is: 438,944,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,870,544.40 : 485,805,816.60 = 292,629,686.80 : x
  2. Step 2: Convert to fraction form
    323,870,544.40/485,805,816.60 = 292,629,686.80/x
  3. Step 3: Cross multiply
    323,870,544.40x = 485,805,816.60 × 292,629,686.80
  4. Step 4: Simplify right side
    323,870,544.40x = 142,161,203,957,276,256
  5. Step 5: Solve for x
    x = 142,161,203,957,276,256/323,870,544.40
  6. Step 6: Final answer
    x = 438,944,530.20

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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.