Home / 7,190,647,178.25-10,785,970,767.39-2,020,789,130.25

Finding the Fourth Proportional to 7,190,647,178.25, 10,785,970,767.39 and 2,020,789,130.25

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Solution

The fourth proportional to 7,190,647,178.25, 10,785,970,767.39 and 2,020,789,130.25 is: 3,031,183,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,647,178.25 : 10,785,970,767.39 = 2,020,789,130.25 : x
  2. Step 2: Convert to fraction form
    7,190,647,178.25/10,785,970,767.39 = 2,020,789,130.25/x
  3. Step 3: Cross multiply
    7,190,647,178.25x = 10,785,970,767.39 × 2,020,789,130.25
  4. Step 4: Simplify right side
    7,190,647,178.25x = 21,796,172,485,935,960,064
  5. Step 5: Solve for x
    x = 21,796,172,485,935,960,064/7,190,647,178.25
  6. Step 6: Final answer
    x = 3,031,183,695.38

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Double scale
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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.