Home / 766,614,778.87-1,150,115,685.01-213,916,743.03

Finding the Fourth Proportional to 766,614,778.87, 1,150,115,685.01 and 213,916,743.03

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Solution

The fourth proportional to 766,614,778.87, 1,150,115,685.01 and 213,916,743.03 is: 320,929,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,614,778.87 : 1,150,115,685.01 = 213,916,743.03 : x
  2. Step 2: Convert to fraction form
    766,614,778.87/1,150,115,685.01 = 213,916,743.03/x
  3. Step 3: Cross multiply
    766,614,778.87x = 1,150,115,685.01 × 213,916,743.03
  4. Step 4: Simplify right side
    766,614,778.87x = 246,029,001,444,521,792
  5. Step 5: Solve for x
    x = 246,029,001,444,521,792/766,614,778.87
  6. Step 6: Final answer
    x = 320,929,113.59

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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.