Home / 507,220,404,733.44-699,964,608,810.24-278,853,532,093.44

Finding the Fourth Proportional to 507,220,404,733.44, 699,964,608,810.24 and 278,853,532,093.44

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Solution

The fourth proportional to 507,220,404,733.44, 699,964,608,810.24 and 278,853,532,093.44 is: 384,818,121,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,220,404,733.44 : 699,964,608,810.24 = 278,853,532,093.44 : x
  2. Step 2: Convert to fraction form
    507,220,404,733.44/699,964,608,810.24 = 278,853,532,093.44/x
  3. Step 3: Cross multiply
    507,220,404,733.44x = 699,964,608,810.24 × 278,853,532,093.44
  4. Step 4: Simplify right side
    507,220,404,733.44x = 195,187,603,507,138,439,151,616
  5. Step 5: Solve for x
    x = 195,187,603,507,138,439,151,616/507,220,404,733.44
  6. Step 6: Final answer
    x = 384,818,121,837.42

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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.