Home / 325,971,984.60-488,790,015.30-121,394,755.80

Finding the Fourth Proportional to 325,971,984.60, 488,790,015.30 and 121,394,755.80

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Solution

The fourth proportional to 325,971,984.60, 488,790,015.30 and 121,394,755.80 is: 182,029,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,971,984.60 : 488,790,015.30 = 121,394,755.80 : x
  2. Step 2: Convert to fraction form
    325,971,984.60/488,790,015.30 = 121,394,755.80/x
  3. Step 3: Cross multiply
    325,971,984.60x = 488,790,015.30 × 121,394,755.80
  4. Step 4: Simplify right side
    325,971,984.60x = 59,336,544,544,821,760
  5. Step 5: Solve for x
    x = 59,336,544,544,821,760/325,971,984.60
  6. Step 6: Final answer
    x = 182,029,583.36

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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.