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Finding the Fourth Proportional to 29,187,813,428.60, 43,781,720,142.90 and 29,187,813,428.60

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Solution

The fourth proportional to 29,187,813,428.60, 43,781,720,142.90 and 29,187,813,428.60 is: 43,781,720,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,187,813,428.60 : 43,781,720,142.90 = 29,187,813,428.60 : x
  2. Step 2: Convert to fraction form
    29,187,813,428.60/43,781,720,142.90 = 29,187,813,428.60/x
  3. Step 3: Cross multiply
    29,187,813,428.60x = 43,781,720,142.90 × 29,187,813,428.60
  4. Step 4: Simplify right side
    29,187,813,428.60x = 1,277,892,679,114,143,825,920
  5. Step 5: Solve for x
    x = 1,277,892,679,114,143,825,920/29,187,813,428.60
  6. Step 6: Final answer
    x = 43,781,720,142.90

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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.