Home / 265,732,825.20-398,599,237.80-259,760,857.20

Finding the Fourth Proportional to 265,732,825.20, 398,599,237.80 and 259,760,857.20

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Solution

The fourth proportional to 265,732,825.20, 398,599,237.80 and 259,760,857.20 is: 389,641,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,732,825.20 : 398,599,237.80 = 259,760,857.20 : x
  2. Step 2: Convert to fraction form
    265,732,825.20/398,599,237.80 = 259,760,857.20/x
  3. Step 3: Cross multiply
    265,732,825.20x = 398,599,237.80 × 259,760,857.20
  4. Step 4: Simplify right side
    265,732,825.20x = 103,540,479,690,194,640
  5. Step 5: Solve for x
    x = 103,540,479,690,194,640/265,732,825.20
  6. Step 6: Final answer
    x = 389,641,285.80

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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.