Home / 892,383,653.28-1,231,519,311.28-495,923,352.96

Finding the Fourth Proportional to 892,383,653.28, 1,231,519,311.28 and 495,923,352.96

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Solution

The fourth proportional to 892,383,653.28, 1,231,519,311.28 and 495,923,352.96 is: 684,390,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,383,653.28 : 1,231,519,311.28 = 495,923,352.96 : x
  2. Step 2: Convert to fraction form
    892,383,653.28/1,231,519,311.28 = 495,923,352.96/x
  3. Step 3: Cross multiply
    892,383,653.28x = 1,231,519,311.28 × 495,923,352.96
  4. Step 4: Simplify right side
    892,383,653.28x = 610,739,186,084,967,552
  5. Step 5: Solve for x
    x = 610,739,186,084,967,552/892,383,653.28
  6. Step 6: Final answer
    x = 684,390,826.57

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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.