Home / 517,582,408.44-776,113,997.94-172,414,684.92

Finding the Fourth Proportional to 517,582,408.44, 776,113,997.94 and 172,414,684.92

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Solution

The fourth proportional to 517,582,408.44, 776,113,997.94 and 172,414,684.92 is: 258,535,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,582,408.44 : 776,113,997.94 = 172,414,684.92 : x
  2. Step 2: Convert to fraction form
    517,582,408.44/776,113,997.94 = 172,414,684.92/x
  3. Step 3: Cross multiply
    517,582,408.44x = 776,113,997.94 × 172,414,684.92
  4. Step 4: Simplify right side
    517,582,408.44x = 133,813,450,416,826,624
  5. Step 5: Solve for x
    x = 133,813,450,416,826,624/517,582,408.44
  6. Step 6: Final answer
    x = 258,535,545.71

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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.