Home / 298,418,363.86-447,606,561.92-111,636,671.44

Finding the Fourth Proportional to 298,418,363.86, 447,606,561.92 and 111,636,671.44

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Solution

The fourth proportional to 298,418,363.86, 447,606,561.92 and 111,636,671.44 is: 167,447,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,418,363.86 : 447,606,561.92 = 111,636,671.44 : x
  2. Step 2: Convert to fraction form
    298,418,363.86/447,606,561.92 = 111,636,671.44/x
  3. Step 3: Cross multiply
    298,418,363.86x = 447,606,561.92 × 111,636,671.44
  4. Step 4: Simplify right side
    298,418,363.86x = 49,969,306,687,451,056
  5. Step 5: Solve for x
    x = 49,969,306,687,451,056/298,418,363.86
  6. Step 6: Final answer
    x = 167,447,157.21

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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.