Home / 291,034,720.20-436,552,080.30-251,920,662.60

Finding the Fourth Proportional to 291,034,720.20, 436,552,080.30 and 251,920,662.60

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Solution

The fourth proportional to 291,034,720.20, 436,552,080.30 and 251,920,662.60 is: 377,880,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,034,720.20 : 436,552,080.30 = 251,920,662.60 : x
  2. Step 2: Convert to fraction form
    291,034,720.20/436,552,080.30 = 251,920,662.60/x
  3. Step 3: Cross multiply
    291,034,720.20x = 436,552,080.30 × 251,920,662.60
  4. Step 4: Simplify right side
    291,034,720.20x = 109,976,489,328,584,400
  5. Step 5: Solve for x
    x = 109,976,489,328,584,400/291,034,720.20
  6. Step 6: Final answer
    x = 377,880,993.90

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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.