Home / 325,971,934.60-488,789,940.30-121,394,705.80

Finding the Fourth Proportional to 325,971,934.60, 488,789,940.30 and 121,394,705.80

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Solution

The fourth proportional to 325,971,934.60, 488,789,940.30 and 121,394,705.80 is: 182,029,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,971,934.60 : 488,789,940.30 = 121,394,705.80 : x
  2. Step 2: Convert to fraction form
    325,971,934.60/488,789,940.30 = 121,394,705.80/x
  3. Step 3: Cross multiply
    325,971,934.60x = 488,789,940.30 × 121,394,705.80
  4. Step 4: Simplify right side
    325,971,934.60x = 59,336,511,000,718,064
  5. Step 5: Solve for x
    x = 59,336,511,000,718,064/325,971,934.60
  6. Step 6: Final answer
    x = 182,029,508.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.