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Finding the Fourth Proportional to 19,399,648,004.60, 29,099,472,006.90 and 19,399,648,004.60

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Solution

The fourth proportional to 19,399,648,004.60, 29,099,472,006.90 and 19,399,648,004.60 is: 29,099,472,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399,648,004.60 : 29,099,472,006.90 = 19,399,648,004.60 : x
  2. Step 2: Convert to fraction form
    19,399,648,004.60/29,099,472,006.90 = 19,399,648,004.60/x
  3. Step 3: Cross multiply
    19,399,648,004.60x = 29,099,472,006.90 × 19,399,648,004.60
  4. Step 4: Simplify right side
    19,399,648,004.60x = 564,519,514,053,571,117,056
  5. Step 5: Solve for x
    x = 564,519,514,053,571,117,056/19,399,648,004.60
  6. Step 6: Final answer
    x = 29,099,472,006.90

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Double scale
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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.