Home / 339,977,163.10-509,965,744.65-109,969,498.30

Finding the Fourth Proportional to 339,977,163.10, 509,965,744.65 and 109,969,498.30

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Solution

The fourth proportional to 339,977,163.10, 509,965,744.65 and 109,969,498.30 is: 164,954,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,977,163.10 : 509,965,744.65 = 109,969,498.30 : x
  2. Step 2: Convert to fraction form
    339,977,163.10/509,965,744.65 = 109,969,498.30/x
  3. Step 3: Cross multiply
    339,977,163.10x = 509,965,744.65 × 109,969,498.30
  4. Step 4: Simplify right side
    339,977,163.10x = 56,080,677,089,346,408
  5. Step 5: Solve for x
    x = 56,080,677,089,346,408/339,977,163.10
  6. Step 6: Final answer
    x = 164,954,247.45

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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.