Home / 587,627,997.60-882,120,841.20-315,530,205.60

Finding the Fourth Proportional to 587,627,997.60, 882,120,841.20 and 315,530,205.60

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Solution

The fourth proportional to 587,627,997.60, 882,120,841.20 and 315,530,205.60 is: 473,659,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,627,997.60 : 882,120,841.20 = 315,530,205.60 : x
  2. Step 2: Convert to fraction form
    587,627,997.60/882,120,841.20 = 315,530,205.60/x
  3. Step 3: Cross multiply
    587,627,997.60x = 882,120,841.20 × 315,530,205.60
  4. Step 4: Simplify right side
    587,627,997.60x = 278,335,770,387,880,992
  5. Step 5: Solve for x
    x = 278,335,770,387,880,992/587,627,997.60
  6. Step 6: Final answer
    x = 473,659,817.99

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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.