Home / 641,032,382.86-884,652,335.86-354,923,906.62

Finding the Fourth Proportional to 641,032,382.86, 884,652,335.86 and 354,923,906.62

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Solution

The fourth proportional to 641,032,382.86, 884,652,335.86 and 354,923,906.62 is: 489,810,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,032,382.86 : 884,652,335.86 = 354,923,906.62 : x
  2. Step 2: Convert to fraction form
    641,032,382.86/884,652,335.86 = 354,923,906.62/x
  3. Step 3: Cross multiply
    641,032,382.86x = 884,652,335.86 × 354,923,906.62
  4. Step 4: Simplify right side
    641,032,382.86x = 313,984,263,043,939,520
  5. Step 5: Solve for x
    x = 313,984,263,043,939,520/641,032,382.86
  6. Step 6: Final answer
    x = 489,810,298.89

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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.