Home / 442,873,485.60-664,310,228.40-197,229,645.60

Finding the Fourth Proportional to 442,873,485.60, 664,310,228.40 and 197,229,645.60

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Solution

The fourth proportional to 442,873,485.60, 664,310,228.40 and 197,229,645.60 is: 295,844,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,873,485.60 : 664,310,228.40 = 197,229,645.60 : x
  2. Step 2: Convert to fraction form
    442,873,485.60/664,310,228.40 = 197,229,645.60/x
  3. Step 3: Cross multiply
    442,873,485.60x = 664,310,228.40 × 197,229,645.60
  4. Step 4: Simplify right side
    442,873,485.60x = 131,021,670,915,787,040
  5. Step 5: Solve for x
    x = 131,021,670,915,787,040/442,873,485.60
  6. Step 6: Final answer
    x = 295,844,468.40

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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.