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Finding the Fourth Proportional to 1,068,837,515,786.20, 1,603,256,273,679.30 and 1,068,837,515,786.20

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Solution

The fourth proportional to 1,068,837,515,786.20, 1,603,256,273,679.30 and 1,068,837,515,786.20 is: 1,603,256,273,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,837,515,786.20 : 1,603,256,273,679.30 = 1,068,837,515,786.20 : x
  2. Step 2: Convert to fraction form
    1,068,837,515,786.20/1,603,256,273,679.30 = 1,068,837,515,786.20/x
  3. Step 3: Cross multiply
    1,068,837,515,786.20x = 1,603,256,273,679.30 × 1,068,837,515,786.20
  4. Step 4: Simplify right side
    1,068,837,515,786.20x = 1,713,620,452,728,022,973,284,352
  5. Step 5: Solve for x
    x = 1,713,620,452,728,022,973,284,352/1,068,837,515,786.20
  6. Step 6: Final answer
    x = 1,603,256,273,679.30

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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.