Home / 667,683,228.07-1,000,260,694.99-445,685,178.39

Finding the Fourth Proportional to 667,683,228.07, 1,000,260,694.99 and 445,685,178.39

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Solution

The fourth proportional to 667,683,228.07, 1,000,260,694.99 and 445,685,178.39 is: 667,683,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,683,228.07 : 1,000,260,694.99 = 445,685,178.39 : x
  2. Step 2: Convert to fraction form
    667,683,228.07/1,000,260,694.99 = 445,685,178.39/x
  3. Step 3: Cross multiply
    667,683,228.07x = 1,000,260,694.99 × 445,685,178.39
  4. Step 4: Simplify right side
    667,683,228.07x = 445,801,366,278,122,240
  5. Step 5: Solve for x
    x = 445,801,366,278,122,240/667,683,228.07
  6. Step 6: Final answer
    x = 667,683,936.84

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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.