Home / 354,413,614.80-531,620,422.20-251,621,115.60

Finding the Fourth Proportional to 354,413,614.80, 531,620,422.20 and 251,621,115.60

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Solution

The fourth proportional to 354,413,614.80, 531,620,422.20 and 251,621,115.60 is: 377,431,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,413,614.80 : 531,620,422.20 = 251,621,115.60 : x
  2. Step 2: Convert to fraction form
    354,413,614.80/531,620,422.20 = 251,621,115.60/x
  3. Step 3: Cross multiply
    354,413,614.80x = 531,620,422.20 × 251,621,115.60
  4. Step 4: Simplify right side
    354,413,614.80x = 133,766,923,709,707,008
  5. Step 5: Solve for x
    x = 133,766,923,709,707,008/354,413,614.80
  6. Step 6: Final answer
    x = 377,431,673.40

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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.