Home / 892,383,564.74-1,231,519,189.12-495,923,264.42

Finding the Fourth Proportional to 892,383,564.74, 1,231,519,189.12 and 495,923,264.42

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Solution

The fourth proportional to 892,383,564.74, 1,231,519,189.12 and 495,923,264.42 is: 684,390,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,383,564.74 : 1,231,519,189.12 = 495,923,264.42 : x
  2. Step 2: Convert to fraction form
    892,383,564.74/1,231,519,189.12 = 495,923,264.42/x
  3. Step 3: Cross multiply
    892,383,564.74x = 1,231,519,189.12 × 495,923,264.42
  4. Step 4: Simplify right side
    892,383,564.74x = 610,739,016,464,261,760
  5. Step 5: Solve for x
    x = 610,739,016,464,261,760/892,383,564.74
  6. Step 6: Final answer
    x = 684,390,704.40

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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.