Home / 20,951,507,091.08-31,426,964,679.78-9,753,117,856.54

Finding the Fourth Proportional to 20,951,507,091.08, 31,426,964,679.78 and 9,753,117,856.54

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Solution

The fourth proportional to 20,951,507,091.08, 31,426,964,679.78 and 9,753,117,856.54 is: 14,629,539,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951,507,091.08 : 31,426,964,679.78 = 9,753,117,856.54 : x
  2. Step 2: Convert to fraction form
    20,951,507,091.08/31,426,964,679.78 = 9,753,117,856.54/x
  3. Step 3: Cross multiply
    20,951,507,091.08x = 31,426,964,679.78 × 9,753,117,856.54
  4. Step 4: Simplify right side
    20,951,507,091.08x = 306,510,890,395,214,217,216
  5. Step 5: Solve for x
    x = 306,510,890,395,214,217,216/20,951,507,091.08
  6. Step 6: Final answer
    x = 14,629,539,014.20

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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.