Home / 379,655,028.72-569,425,002.97-103,327,775.96

Finding the Fourth Proportional to 379,655,028.72, 569,425,002.97 and 103,327,775.96

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Solution

The fourth proportional to 379,655,028.72, 569,425,002.97 and 103,327,775.96 is: 154,976,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,655,028.72 : 569,425,002.97 = 103,327,775.96 : x
  2. Step 2: Convert to fraction form
    379,655,028.72/569,425,002.97 = 103,327,775.96/x
  3. Step 3: Cross multiply
    379,655,028.72x = 569,425,002.97 × 103,327,775.96
  4. Step 4: Simplify right side
    379,655,028.72x = 58,837,419,132,906,496
  5. Step 5: Solve for x
    x = 58,837,419,132,906,496/379,655,028.72
  6. Step 6: Final answer
    x = 154,976,003.69

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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.