Home / 372,815,998.80-559,223,998.20-250,987,851.60

Finding the Fourth Proportional to 372,815,998.80, 559,223,998.20 and 250,987,851.60

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Solution

The fourth proportional to 372,815,998.80, 559,223,998.20 and 250,987,851.60 is: 376,481,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,815,998.80 : 559,223,998.20 = 250,987,851.60 : x
  2. Step 2: Convert to fraction form
    372,815,998.80/559,223,998.20 = 250,987,851.60/x
  3. Step 3: Cross multiply
    372,815,998.80x = 559,223,998.20 × 250,987,851.60
  4. Step 4: Simplify right side
    372,815,998.80x = 140,358,429,871,380,272
  5. Step 5: Solve for x
    x = 140,358,429,871,380,272/372,815,998.80
  6. Step 6: Final answer
    x = 376,481,777.40

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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.