Home / 258,115,222,619.54-356,200,114,608.42-140,795,423,261.19

Finding the Fourth Proportional to 258,115,222,619.54, 356,200,114,608.42 and 140,795,423,261.19

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Solution

The fourth proportional to 258,115,222,619.54, 356,200,114,608.42 and 140,795,423,261.19 is: 194,298,288,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,115,222,619.54 : 356,200,114,608.42 = 140,795,423,261.19 : x
  2. Step 2: Convert to fraction form
    258,115,222,619.54/356,200,114,608.42 = 140,795,423,261.19/x
  3. Step 3: Cross multiply
    258,115,222,619.54x = 356,200,114,608.42 × 140,795,423,261.19
  4. Step 4: Simplify right side
    258,115,222,619.54x = 50,151,345,901,976,883,822,592
  5. Step 5: Solve for x
    x = 50,151,345,901,976,883,822,592/258,115,222,619.54
  6. Step 6: Final answer
    x = 194,298,288,155.98

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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.