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Finding the Fourth Proportional to 636,485,128,391.85, 954,727,692,587.85 and 636,485,128,391.85

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Solution

The fourth proportional to 636,485,128,391.85, 954,727,692,587.85 and 636,485,128,391.85 is: 954,727,692,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,485,128,391.85 : 954,727,692,587.85 = 636,485,128,391.85 : x
  2. Step 2: Convert to fraction form
    636,485,128,391.85/954,727,692,587.85 = 636,485,128,391.85/x
  3. Step 3: Cross multiply
    636,485,128,391.85x = 954,727,692,587.85 × 636,485,128,391.85
  4. Step 4: Simplify right side
    636,485,128,391.85x = 607,669,977,996,032,322,043,904
  5. Step 5: Solve for x
    x = 607,669,977,996,032,322,043,904/636,485,128,391.85
  6. Step 6: Final answer
    x = 954,727,692,587.85

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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.