Home / 354,578,682.54-531,444,873.32-165,029,734.66

Finding the Fourth Proportional to 354,578,682.54, 531,444,873.32 and 165,029,734.66

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Solution

The fourth proportional to 354,578,682.54, 531,444,873.32 and 165,029,734.66 is: 247,347,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,578,682.54 : 531,444,873.32 = 165,029,734.66 : x
  2. Step 2: Convert to fraction form
    354,578,682.54/531,444,873.32 = 165,029,734.66/x
  3. Step 3: Cross multiply
    354,578,682.54x = 531,444,873.32 × 165,029,734.66
  4. Step 4: Simplify right side
    354,578,682.54x = 87,704,206,430,416,912
  5. Step 5: Solve for x
    x = 87,704,206,430,416,912/354,578,682.54
  6. Step 6: Final answer
    x = 247,347,657.23

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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.