Home / 668,867,480.64-1,003,629,912.48-300,662,586

Finding the Fourth Proportional to 668,867,480.64, 1,003,629,912.48 and 300,662,586

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Solution

The fourth proportional to 668,867,480.64, 1,003,629,912.48 and 300,662,586 is: 451,141,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,867,480.64 : 1,003,629,912.48 = 300,662,586 : x
  2. Step 2: Convert to fraction form
    668,867,480.64/1,003,629,912.48 = 300,662,586/x
  3. Step 3: Cross multiply
    668,867,480.64x = 1,003,629,912.48 × 300,662,586
  4. Step 4: Simplify right side
    668,867,480.64x = 301,753,964,873,190,464
  5. Step 5: Solve for x
    x = 301,753,964,873,190,464/668,867,480.64
  6. Step 6: Final answer
    x = 451,141,629.11

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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.