Home / 548,752,940.15-823,291,106.07-221,059,825.75

Finding the Fourth Proportional to 548,752,940.15, 823,291,106.07 and 221,059,825.75

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Solution

The fourth proportional to 548,752,940.15, 823,291,106.07 and 221,059,825.75 is: 331,654,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,752,940.15 : 823,291,106.07 = 221,059,825.75 : x
  2. Step 2: Convert to fraction form
    548,752,940.15/823,291,106.07 = 221,059,825.75/x
  3. Step 3: Cross multiply
    548,752,940.15x = 823,291,106.07 × 221,059,825.75
  4. Step 4: Simplify right side
    548,752,940.15x = 181,996,588,449,358,976
  5. Step 5: Solve for x
    x = 181,996,588,449,358,976/548,752,940.15
  6. Step 6: Final answer
    x = 331,654,876.24

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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.