Home / 26,815,964,805.34-40,209,980,331.91-12,647,126,216.86

Finding the Fourth Proportional to 26,815,964,805.34, 40,209,980,331.91 and 12,647,126,216.86

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Solution

The fourth proportional to 26,815,964,805.34, 40,209,980,331.91 and 12,647,126,216.86 is: 18,964,102,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815,964,805.34 : 40,209,980,331.91 = 12,647,126,216.86 : x
  2. Step 2: Convert to fraction form
    26,815,964,805.34/40,209,980,331.91 = 12,647,126,216.86/x
  3. Step 3: Cross multiply
    26,815,964,805.34x = 40,209,980,331.91 × 12,647,126,216.86
  4. Step 4: Simplify right side
    26,815,964,805.34x = 508,540,696,435,149,307,904
  5. Step 5: Solve for x
    x = 508,540,696,435,149,307,904/26,815,964,805.34
  6. Step 6: Final answer
    x = 18,964,102,172.97

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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.