Home / 256,171,236.86-383,854,508.04-198,021,404.90

Finding the Fourth Proportional to 256,171,236.86, 383,854,508.04 and 198,021,404.90

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Solution

The fourth proportional to 256,171,236.86, 383,854,508.04 and 198,021,404.90 is: 296,721,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,171,236.86 : 383,854,508.04 = 198,021,404.90 : x
  2. Step 2: Convert to fraction form
    256,171,236.86/383,854,508.04 = 198,021,404.90/x
  3. Step 3: Cross multiply
    256,171,236.86x = 383,854,508.04 × 198,021,404.90
  4. Step 4: Simplify right side
    256,171,236.86x = 76,011,408,959,279,152
  5. Step 5: Solve for x
    x = 76,011,408,959,279,152/256,171,236.86
  6. Step 6: Final answer
    x = 296,721,091.29

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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.