Home / 258,115,222,619.80-356,200,114,608.76-140,795,423,261.44

Finding the Fourth Proportional to 258,115,222,619.80, 356,200,114,608.76 and 140,795,423,261.44

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Solution

The fourth proportional to 258,115,222,619.80, 356,200,114,608.76 and 140,795,423,261.44 is: 194,298,288,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,115,222,619.80 : 356,200,114,608.76 = 140,795,423,261.44 : x
  2. Step 2: Convert to fraction form
    258,115,222,619.80/356,200,114,608.76 = 140,795,423,261.44/x
  3. Step 3: Cross multiply
    258,115,222,619.80x = 356,200,114,608.76 × 140,795,423,261.44
  4. Step 4: Simplify right side
    258,115,222,619.80x = 50,151,345,902,113,802,682,368
  5. Step 5: Solve for x
    x = 50,151,345,902,113,802,682,368/258,115,222,619.80
  6. Step 6: Final answer
    x = 194,298,288,156.32

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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.