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Finding the Fourth Proportional to 2,659,392,142.20, 3,729,271,199.40 and 2,659,392,142.20

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Solution

The fourth proportional to 2,659,392,142.20, 3,729,271,199.40 and 2,659,392,142.20 is: 3,729,271,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,392,142.20 : 3,729,271,199.40 = 2,659,392,142.20 : x
  2. Step 2: Convert to fraction form
    2,659,392,142.20/3,729,271,199.40 = 2,659,392,142.20/x
  3. Step 3: Cross multiply
    2,659,392,142.20x = 3,729,271,199.40 × 2,659,392,142.20
  4. Step 4: Simplify right side
    2,659,392,142.20x = 9,917,594,523,817,127,936
  5. Step 5: Solve for x
    x = 9,917,594,523,817,127,936/2,659,392,142.20
  6. Step 6: Final answer
    x = 3,729,271,199.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.