Home / 442,945,131.60-664,417,697.40-197,301,291.60

Finding the Fourth Proportional to 442,945,131.60, 664,417,697.40 and 197,301,291.60

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Solution

The fourth proportional to 442,945,131.60, 664,417,697.40 and 197,301,291.60 is: 295,951,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,945,131.60 : 664,417,697.40 = 197,301,291.60 : x
  2. Step 2: Convert to fraction form
    442,945,131.60/664,417,697.40 = 197,301,291.60/x
  3. Step 3: Cross multiply
    442,945,131.60x = 664,417,697.40 × 197,301,291.60
  4. Step 4: Simplify right side
    442,945,131.60x = 131,090,469,858,917,952
  5. Step 5: Solve for x
    x = 131,090,469,858,917,952/442,945,131.60
  6. Step 6: Final answer
    x = 295,951,937.40

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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.