Home / 548,752,938.15-823,291,103.07-221,059,823.75

Finding the Fourth Proportional to 548,752,938.15, 823,291,103.07 and 221,059,823.75

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Solution

The fourth proportional to 548,752,938.15, 823,291,103.07 and 221,059,823.75 is: 331,654,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,752,938.15 : 823,291,103.07 = 221,059,823.75 : x
  2. Step 2: Convert to fraction form
    548,752,938.15/823,291,103.07 = 221,059,823.75/x
  3. Step 3: Cross multiply
    548,752,938.15x = 823,291,103.07 × 221,059,823.75
  4. Step 4: Simplify right side
    548,752,938.15x = 181,996,586,138,169,984
  5. Step 5: Solve for x
    x = 181,996,586,138,169,984/548,752,938.15
  6. Step 6: Final answer
    x = 331,654,873.23

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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.