Home / 327,440,324,890.16-490,721,455,478.96-254,839,143,631.44

Finding the Fourth Proportional to 327,440,324,890.16, 490,721,455,478.96 and 254,839,143,631.44

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Solution

The fourth proportional to 327,440,324,890.16, 490,721,455,478.96 and 254,839,143,631.44 is: 381,917,027,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,440,324,890.16 : 490,721,455,478.96 = 254,839,143,631.44 : x
  2. Step 2: Convert to fraction form
    327,440,324,890.16/490,721,455,478.96 = 254,839,143,631.44/x
  3. Step 3: Cross multiply
    327,440,324,890.16x = 490,721,455,478.96 × 254,839,143,631.44
  4. Step 4: Simplify right side
    327,440,324,890.16x = 125,055,035,475,831,981,867,008
  5. Step 5: Solve for x
    x = 125,055,035,475,831,981,867,008/327,440,324,890.16
  6. Step 6: Final answer
    x = 381,917,027,225.59

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1.5x scale

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.