Home / 484,977,818.73-669,269,658.33-261,959,499.18

Finding the Fourth Proportional to 484,977,818.73, 669,269,658.33 and 261,959,499.18

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Solution

The fourth proportional to 484,977,818.73, 669,269,658.33 and 261,959,499.18 is: 361,504,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,977,818.73 : 669,269,658.33 = 261,959,499.18 : x
  2. Step 2: Convert to fraction form
    484,977,818.73/669,269,658.33 = 261,959,499.18/x
  3. Step 3: Cross multiply
    484,977,818.73x = 669,269,658.33 × 261,959,499.18
  4. Step 4: Simplify right side
    484,977,818.73x = 175,321,544,512,496,544
  5. Step 5: Solve for x
    x = 175,321,544,512,496,544/484,977,818.73
  6. Step 6: Final answer
    x = 361,504,253.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.