Home / 641,032,380.86-884,652,333.10-354,923,904.61

Finding the Fourth Proportional to 641,032,380.86, 884,652,333.10 and 354,923,904.61

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Solution

The fourth proportional to 641,032,380.86, 884,652,333.10 and 354,923,904.61 is: 489,810,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,032,380.86 : 884,652,333.10 = 354,923,904.61 : x
  2. Step 2: Convert to fraction form
    641,032,380.86/884,652,333.10 = 354,923,904.61/x
  3. Step 3: Cross multiply
    641,032,380.86x = 884,652,333.10 × 354,923,904.61
  4. Step 4: Simplify right side
    641,032,380.86x = 313,984,260,286,416,832
  5. Step 5: Solve for x
    x = 313,984,260,286,416,832/641,032,380.86
  6. Step 6: Final answer
    x = 489,810,296.12

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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.