Home / 320,112,998.12-441,620,665.38-214,300,502.62

Finding the Fourth Proportional to 320,112,998.12, 441,620,665.38 and 214,300,502.62

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Solution

The fourth proportional to 320,112,998.12, 441,620,665.38 and 214,300,502.62 is: 295,644,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,112,998.12 : 441,620,665.38 = 214,300,502.62 : x
  2. Step 2: Convert to fraction form
    320,112,998.12/441,620,665.38 = 214,300,502.62/x
  3. Step 3: Cross multiply
    320,112,998.12x = 441,620,665.38 × 214,300,502.62
  4. Step 4: Simplify right side
    320,112,998.12x = 94,639,530,557,208,784
  5. Step 5: Solve for x
    x = 94,639,530,557,208,784/320,112,998.12
  6. Step 6: Final answer
    x = 295,644,135.39

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1.5x scale

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.