Home / 265,729,388.80-398,594,083.20-197,704,940.80

Finding the Fourth Proportional to 265,729,388.80, 398,594,083.20 and 197,704,940.80

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Solution

The fourth proportional to 265,729,388.80, 398,594,083.20 and 197,704,940.80 is: 296,557,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,729,388.80 : 398,594,083.20 = 197,704,940.80 : x
  2. Step 2: Convert to fraction form
    265,729,388.80/398,594,083.20 = 197,704,940.80/x
  3. Step 3: Cross multiply
    265,729,388.80x = 398,594,083.20 × 197,704,940.80
  4. Step 4: Simplify right side
    265,729,388.80x = 78,804,019,622,286,272
  5. Step 5: Solve for x
    x = 78,804,019,622,286,272/265,729,388.80
  6. Step 6: Final answer
    x = 296,557,411.20

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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.