Home / 834,044,062.05-1,251,139,614.48-309,419,241.21

Finding the Fourth Proportional to 834,044,062.05, 1,251,139,614.48 and 309,419,241.21

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Solution

The fourth proportional to 834,044,062.05, 1,251,139,614.48 and 309,419,241.21 is: 464,156,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,044,062.05 : 1,251,139,614.48 = 309,419,241.21 : x
  2. Step 2: Convert to fraction form
    834,044,062.05/1,251,139,614.48 = 309,419,241.21/x
  3. Step 3: Cross multiply
    834,044,062.05x = 1,251,139,614.48 × 309,419,241.21
  4. Step 4: Simplify right side
    834,044,062.05x = 387,126,670,160,173,504
  5. Step 5: Solve for x
    x = 387,126,670,160,173,504/834,044,062.05
  6. Step 6: Final answer
    x = 464,156,137.28

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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.