Home / 504,384,987.20-755,989,615.20-231,783,310.40

Finding the Fourth Proportional to 504,384,987.20, 755,989,615.20 and 231,783,310.40

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Solution

The fourth proportional to 504,384,987.20, 755,989,615.20 and 231,783,310.40 is: 347,404,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,384,987.20 : 755,989,615.20 = 231,783,310.40 : x
  2. Step 2: Convert to fraction form
    504,384,987.20/755,989,615.20 = 231,783,310.40/x
  3. Step 3: Cross multiply
    504,384,987.20x = 755,989,615.20 × 231,783,310.40
  4. Step 4: Simplify right side
    504,384,987.20x = 175,225,775,639,078,176
  5. Step 5: Solve for x
    x = 175,225,775,639,078,176/504,384,987.20
  6. Step 6: Final answer
    x = 347,404,819.90

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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.