Home / 39,595,345,795.30-54,642,612,791.65-21,531,918,463.44

Finding the Fourth Proportional to 39,595,345,795.30, 54,642,612,791.65 and 21,531,918,463.44

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Solution

The fourth proportional to 39,595,345,795.30, 54,642,612,791.65 and 21,531,918,463.44 is: 29,714,610,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,595,345,795.30 : 54,642,612,791.65 = 21,531,918,463.44 : x
  2. Step 2: Convert to fraction form
    39,595,345,795.30/54,642,612,791.65 = 21,531,918,463.44/x
  3. Step 3: Cross multiply
    39,595,345,795.30x = 54,642,612,791.65 × 21,531,918,463.44
  4. Step 4: Simplify right side
    39,595,345,795.30x = 1,176,560,283,259,328,397,312
  5. Step 5: Solve for x
    x = 1,176,560,283,259,328,397,312/39,595,345,795.30
  6. Step 6: Final answer
    x = 29,714,610,634.84

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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.