Home / 10,612,138,818.74-15,909,820,843.44-5,297,523,383.48

Finding the Fourth Proportional to 10,612,138,818.74, 15,909,820,843.44 and 5,297,523,383.48

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Solution

The fourth proportional to 10,612,138,818.74, 15,909,820,843.44 and 5,297,523,383.48 is: 7,942,098,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612,138,818.74 : 15,909,820,843.44 = 5,297,523,383.48 : x
  2. Step 2: Convert to fraction form
    10,612,138,818.74/15,909,820,843.44 = 5,297,523,383.48/x
  3. Step 3: Cross multiply
    10,612,138,818.74x = 15,909,820,843.44 × 5,297,523,383.48
  4. Step 4: Simplify right side
    10,612,138,818.74x = 84,282,647,945,100,886,016
  5. Step 5: Solve for x
    x = 84,282,647,945,100,886,016/10,612,138,818.74
  6. Step 6: Final answer
    x = 7,942,098,137.30

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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.