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Finding the Fourth Proportional to 1,430,786,997.80, 2,146,180,496.70 and 1,430,786,997.80

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Solution

The fourth proportional to 1,430,786,997.80, 2,146,180,496.70 and 1,430,786,997.80 is: 2,146,180,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,786,997.80 : 2,146,180,496.70 = 1,430,786,997.80 : x
  2. Step 2: Convert to fraction form
    1,430,786,997.80/2,146,180,496.70 = 1,430,786,997.80/x
  3. Step 3: Cross multiply
    1,430,786,997.80x = 2,146,180,496.70 × 1,430,786,997.80
  4. Step 4: Simplify right side
    1,430,786,997.80x = 3,070,727,149,610,305,536
  5. Step 5: Solve for x
    x = 3,070,727,149,610,305,536/1,430,786,997.80
  6. Step 6: Final answer
    x = 2,146,180,496.70

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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.