Home / 674,219,144.88-930,419,727.30-376,861,065.48

Finding the Fourth Proportional to 674,219,144.88, 930,419,727.30 and 376,861,065.48

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Solution

The fourth proportional to 674,219,144.88, 930,419,727.30 and 376,861,065.48 is: 520,066,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,219,144.88 : 930,419,727.30 = 376,861,065.48 : x
  2. Step 2: Convert to fraction form
    674,219,144.88/930,419,727.30 = 376,861,065.48/x
  3. Step 3: Cross multiply
    674,219,144.88x = 930,419,727.30 × 376,861,065.48
  4. Step 4: Simplify right side
    674,219,144.88x = 350,638,969,773,889,024
  5. Step 5: Solve for x
    x = 350,638,969,773,889,024/674,219,144.88
  6. Step 6: Final answer
    x = 520,066,765.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.