Home / 445,176,001.70-667,764,002.55-395,858,276.90

Finding the Fourth Proportional to 445,176,001.70, 667,764,002.55 and 395,858,276.90

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Solution

The fourth proportional to 445,176,001.70, 667,764,002.55 and 395,858,276.90 is: 593,787,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,176,001.70 : 667,764,002.55 = 395,858,276.90 : x
  2. Step 2: Convert to fraction form
    445,176,001.70/667,764,002.55 = 395,858,276.90/x
  3. Step 3: Cross multiply
    445,176,001.70x = 667,764,002.55 × 395,858,276.90
  4. Step 4: Simplify right side
    445,176,001.70x = 264,339,907,425,290,176
  5. Step 5: Solve for x
    x = 264,339,907,425,290,176/445,176,001.70
  6. Step 6: Final answer
    x = 593,787,415.35

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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.