Home / 459,517,221.46-685,691,863.81-409,992,629.27

Finding the Fourth Proportional to 459,517,221.46, 685,691,863.81 and 409,992,629.27

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Solution

The fourth proportional to 459,517,221.46, 685,691,863.81 and 409,992,629.27 is: 611,791,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,517,221.46 : 685,691,863.81 = 409,992,629.27 : x
  2. Step 2: Convert to fraction form
    459,517,221.46/685,691,863.81 = 409,992,629.27/x
  3. Step 3: Cross multiply
    459,517,221.46x = 685,691,863.81 × 409,992,629.27
  4. Step 4: Simplify right side
    459,517,221.46x = 281,128,610,112,508,608
  5. Step 5: Solve for x
    x = 281,128,610,112,508,608/459,517,221.46
  6. Step 6: Final answer
    x = 611,791,238.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.