Home / 363,127,742.48-501,115,713.04-198,115,326.56

Finding the Fourth Proportional to 363,127,742.48, 501,115,713.04 and 198,115,326.56

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Solution

The fourth proportional to 363,127,742.48, 501,115,713.04 and 198,115,326.56 is: 273,398,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,127,742.48 : 501,115,713.04 = 198,115,326.56 : x
  2. Step 2: Convert to fraction form
    363,127,742.48/501,115,713.04 = 198,115,326.56/x
  3. Step 3: Cross multiply
    363,127,742.48x = 501,115,713.04 × 198,115,326.56
  4. Step 4: Simplify right side
    363,127,742.48x = 99,278,703,133,266,848
  5. Step 5: Solve for x
    x = 99,278,703,133,266,848/363,127,742.48
  6. Step 6: Final answer
    x = 273,398,838.81

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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.