Home / 7,190,647,168.76-10,785,970,753.14-2,020,789,120.76

Finding the Fourth Proportional to 7,190,647,168.76, 10,785,970,753.14 and 2,020,789,120.76

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Solution

The fourth proportional to 7,190,647,168.76, 10,785,970,753.14 and 2,020,789,120.76 is: 3,031,183,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,647,168.76 : 10,785,970,753.14 = 2,020,789,120.76 : x
  2. Step 2: Convert to fraction form
    7,190,647,168.76/10,785,970,753.14 = 2,020,789,120.76/x
  3. Step 3: Cross multiply
    7,190,647,168.76x = 10,785,970,753.14 × 2,020,789,120.76
  4. Step 4: Simplify right side
    7,190,647,168.76x = 21,796,172,354,780,856,320
  5. Step 5: Solve for x
    x = 21,796,172,354,780,856,320/7,190,647,168.76
  6. Step 6: Final answer
    x = 3,031,183,681.14

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Double scale
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Similar ratio
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1.5x scale

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.