Home / 321,909,523.20-482,864,284.80-256,152,556.80

Finding the Fourth Proportional to 321,909,523.20, 482,864,284.80 and 256,152,556.80

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Solution

The fourth proportional to 321,909,523.20, 482,864,284.80 and 256,152,556.80 is: 384,228,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,909,523.20 : 482,864,284.80 = 256,152,556.80 : x
  2. Step 2: Convert to fraction form
    321,909,523.20/482,864,284.80 = 256,152,556.80/x
  3. Step 3: Cross multiply
    321,909,523.20x = 482,864,284.80 × 256,152,556.80
  4. Step 4: Simplify right side
    321,909,523.20x = 123,686,921,138,923,392
  5. Step 5: Solve for x
    x = 123,686,921,138,923,392/321,909,523.20
  6. Step 6: Final answer
    x = 384,228,835.20

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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.