Home / 1,005,983,439.42-1,508,974,803.97-269,034,190.45

Finding the Fourth Proportional to 1,005,983,439.42, 1,508,974,803.97 and 269,034,190.45

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Solution

The fourth proportional to 1,005,983,439.42, 1,508,974,803.97 and 269,034,190.45 is: 403,551,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,983,439.42 : 1,508,974,803.97 = 269,034,190.45 : x
  2. Step 2: Convert to fraction form
    1,005,983,439.42/1,508,974,803.97 = 269,034,190.45/x
  3. Step 3: Cross multiply
    1,005,983,439.42x = 1,508,974,803.97 × 269,034,190.45
  4. Step 4: Simplify right side
    1,005,983,439.42x = 405,965,814,790,694,720
  5. Step 5: Solve for x
    x = 405,965,814,790,694,720/1,005,983,439.42
  6. Step 6: Final answer
    x = 403,551,190.69

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Double scale
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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.