Home / 756,425,375.25-1,132,310,908.20-493,543,877.36

Finding the Fourth Proportional to 756,425,375.25, 1,132,310,908.20 and 493,543,877.36

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Solution

The fourth proportional to 756,425,375.25, 1,132,310,908.20 and 493,543,877.36 is: 738,797,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,425,375.25 : 1,132,310,908.20 = 493,543,877.36 : x
  2. Step 2: Convert to fraction form
    756,425,375.25/1,132,310,908.20 = 493,543,877.36/x
  3. Step 3: Cross multiply
    756,425,375.25x = 1,132,310,908.20 × 493,543,877.36
  4. Step 4: Simplify right side
    756,425,375.25x = 558,845,116,005,524,672
  5. Step 5: Solve for x
    x = 558,845,116,005,524,672/756,425,375.25
  6. Step 6: Final answer
    x = 738,797,420.46

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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.