Home / 459,517,220.96-685,691,863.07-409,992,628.77

Finding the Fourth Proportional to 459,517,220.96, 685,691,863.07 and 409,992,628.77

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Solution

The fourth proportional to 459,517,220.96, 685,691,863.07 and 409,992,628.77 is: 611,791,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,517,220.96 : 685,691,863.07 = 409,992,628.77 : x
  2. Step 2: Convert to fraction form
    459,517,220.96/685,691,863.07 = 409,992,628.77/x
  3. Step 3: Cross multiply
    459,517,220.96x = 685,691,863.07 × 409,992,628.77
  4. Step 4: Simplify right side
    459,517,220.96x = 281,128,609,464,218,240
  5. Step 5: Solve for x
    x = 281,128,609,464,218,240/459,517,220.96
  6. Step 6: Final answer
    x = 611,791,237.94

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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.