Home / 543,213,337.91-749,591,666.51-308,263,997.57

Finding the Fourth Proportional to 543,213,337.91, 749,591,666.51 and 308,263,997.57

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Solution

The fourth proportional to 543,213,337.91, 749,591,666.51 and 308,263,997.57 is: 425,380,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,213,337.91 : 749,591,666.51 = 308,263,997.57 : x
  2. Step 2: Convert to fraction form
    543,213,337.91/749,591,666.51 = 308,263,997.57/x
  3. Step 3: Cross multiply
    543,213,337.91x = 749,591,666.51 × 308,263,997.57
  4. Step 4: Simplify right side
    543,213,337.91x = 231,072,123,658,241,600
  5. Step 5: Solve for x
    x = 231,072,123,658,241,600/543,213,337.91
  6. Step 6: Final answer
    x = 425,380,062.55

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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.