Home / 354,325,338.60-531,488,007.90-320,313,114.60

Finding the Fourth Proportional to 354,325,338.60, 531,488,007.90 and 320,313,114.60

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Solution

The fourth proportional to 354,325,338.60, 531,488,007.90 and 320,313,114.60 is: 480,469,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,325,338.60 : 531,488,007.90 = 320,313,114.60 : x
  2. Step 2: Convert to fraction form
    354,325,338.60/531,488,007.90 = 320,313,114.60/x
  3. Step 3: Cross multiply
    354,325,338.60x = 531,488,007.90 × 320,313,114.60
  4. Step 4: Simplify right side
    354,325,338.60x = 170,242,579,182,998,400
  5. Step 5: Solve for x
    x = 170,242,579,182,998,400/354,325,338.60
  6. Step 6: Final answer
    x = 480,469,671.90

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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.