Home / 20,951,507,120.04-31,426,964,723.16-9,753,117,885.45

Finding the Fourth Proportional to 20,951,507,120.04, 31,426,964,723.16 and 9,753,117,885.45

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Solution

The fourth proportional to 20,951,507,120.04, 31,426,964,723.16 and 9,753,117,885.45 is: 14,629,539,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951,507,120.04 : 31,426,964,723.16 = 9,753,117,885.45 : x
  2. Step 2: Convert to fraction form
    20,951,507,120.04/31,426,964,723.16 = 9,753,117,885.45/x
  3. Step 3: Cross multiply
    20,951,507,120.04x = 31,426,964,723.16 × 9,753,117,885.45
  4. Step 4: Simplify right side
    20,951,507,120.04x = 306,510,891,726,858,027,008
  5. Step 5: Solve for x
    x = 306,510,891,726,858,027,008/20,951,507,120.04
  6. Step 6: Final answer
    x = 14,629,539,057.54

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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.