Home / 1,229,410,029.38-1,844,244,224.72-400,428,224.46

Finding the Fourth Proportional to 1,229,410,029.38, 1,844,244,224.72 and 400,428,224.46

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Solution

The fourth proportional to 1,229,410,029.38, 1,844,244,224.72 and 400,428,224.46 is: 600,684,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,410,029.38 : 1,844,244,224.72 = 400,428,224.46 : x
  2. Step 2: Convert to fraction form
    1,229,410,029.38/1,844,244,224.72 = 400,428,224.46/x
  3. Step 3: Cross multiply
    1,229,410,029.38x = 1,844,244,224.72 × 400,428,224.46
  4. Step 4: Simplify right side
    1,229,410,029.38x = 738,487,440,374,758,272
  5. Step 5: Solve for x
    x = 738,487,440,374,758,272/1,229,410,029.38
  6. Step 6: Final answer
    x = 600,684,411.81

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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.