Home / 523,235,220,170.56-722,198,951,039.19-340,786,966,435.72

Finding the Fourth Proportional to 523,235,220,170.56, 722,198,951,039.19 and 340,786,966,435.72

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Solution

The fourth proportional to 523,235,220,170.56, 722,198,951,039.19 and 340,786,966,435.72 is: 470,373,515,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,235,220,170.56 : 722,198,951,039.19 = 340,786,966,435.72 : x
  2. Step 2: Convert to fraction form
    523,235,220,170.56/722,198,951,039.19 = 340,786,966,435.72/x
  3. Step 3: Cross multiply
    523,235,220,170.56x = 722,198,951,039.19 × 340,786,966,435.72
  4. Step 4: Simplify right side
    523,235,220,170.56x = 246,115,989,687,704,584,454,144
  5. Step 5: Solve for x
    x = 246,115,989,687,704,584,454,144/523,235,220,170.56
  6. Step 6: Final answer
    x = 470,373,515,008.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.