Home / 442,945,497.60-664,418,246.40-197,301,657.60

Finding the Fourth Proportional to 442,945,497.60, 664,418,246.40 and 197,301,657.60

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Solution

The fourth proportional to 442,945,497.60, 664,418,246.40 and 197,301,657.60 is: 295,952,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,945,497.60 : 664,418,246.40 = 197,301,657.60 : x
  2. Step 2: Convert to fraction form
    442,945,497.60/664,418,246.40 = 197,301,657.60/x
  3. Step 3: Cross multiply
    442,945,497.60x = 664,418,246.40 × 197,301,657.60
  4. Step 4: Simplify right side
    442,945,497.60x = 131,090,821,354,405,216
  5. Step 5: Solve for x
    x = 131,090,821,354,405,216/442,945,497.60
  6. Step 6: Final answer
    x = 295,952,486.40

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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.