Home / 641,188,020.53-884,383,321.52-588,435,079.79

Finding the Fourth Proportional to 641,188,020.53, 884,383,321.52 and 588,435,079.79

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Solution

The fourth proportional to 641,188,020.53, 884,383,321.52 and 588,435,079.79 is: 811,621,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,188,020.53 : 884,383,321.52 = 588,435,079.79 : x
  2. Step 2: Convert to fraction form
    641,188,020.53/884,383,321.52 = 588,435,079.79/x
  3. Step 3: Cross multiply
    641,188,020.53x = 884,383,321.52 × 588,435,079.79
  4. Step 4: Simplify right side
    641,188,020.53x = 520,402,170,367,277,952
  5. Step 5: Solve for x
    x = 520,402,170,367,277,952/641,188,020.53
  6. Step 6: Final answer
    x = 811,621,792.21

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1.5x scale

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.