Home / 1,348,246,344.52-2,022,369,516.78-378,897,960.52

Finding the Fourth Proportional to 1,348,246,344.52, 2,022,369,516.78 and 378,897,960.52

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Solution

The fourth proportional to 1,348,246,344.52, 2,022,369,516.78 and 378,897,960.52 is: 568,346,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,246,344.52 : 2,022,369,516.78 = 378,897,960.52 : x
  2. Step 2: Convert to fraction form
    1,348,246,344.52/2,022,369,516.78 = 378,897,960.52/x
  3. Step 3: Cross multiply
    1,348,246,344.52x = 2,022,369,516.78 × 378,897,960.52
  4. Step 4: Simplify right side
    1,348,246,344.52x = 766,271,685,325,759,872
  5. Step 5: Solve for x
    x = 766,271,685,325,759,872/1,348,246,344.52
  6. Step 6: Final answer
    x = 568,346,940.78

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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.