Home / 10,782,813,791.79-16,173,453,575.57-3,320,618,451.39

Finding the Fourth Proportional to 10,782,813,791.79, 16,173,453,575.57 and 3,320,618,451.39

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Solution

The fourth proportional to 10,782,813,791.79, 16,173,453,575.57 and 3,320,618,451.39 is: 4,980,691,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782,813,791.79 : 16,173,453,575.57 = 3,320,618,451.39 : x
  2. Step 2: Convert to fraction form
    10,782,813,791.79/16,173,453,575.57 = 3,320,618,451.39/x
  3. Step 3: Cross multiply
    10,782,813,791.79x = 16,173,453,575.57 × 3,320,618,451.39
  4. Step 4: Simplify right side
    10,782,813,791.79x = 53,705,868,365,720,707,072
  5. Step 5: Solve for x
    x = 53,705,868,365,720,707,072/10,782,813,791.79
  6. Step 6: Final answer
    x = 4,980,691,441.28

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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.