Home / 613,291,230.20-919,936,845.30-395,612,996.60

Finding the Fourth Proportional to 613,291,230.20, 919,936,845.30 and 395,612,996.60

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Solution

The fourth proportional to 613,291,230.20, 919,936,845.30 and 395,612,996.60 is: 593,419,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,291,230.20 : 919,936,845.30 = 395,612,996.60 : x
  2. Step 2: Convert to fraction form
    613,291,230.20/919,936,845.30 = 395,612,996.60/x
  3. Step 3: Cross multiply
    613,291,230.20x = 919,936,845.30 × 395,612,996.60
  4. Step 4: Simplify right side
    613,291,230.20x = 363,938,972,051,883,648
  5. Step 5: Solve for x
    x = 363,938,972,051,883,648/613,291,230.20
  6. Step 6: Final answer
    x = 593,419,494.90

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1.5x scale

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.