Home / 818,534,111.40-1,227,811,664.70-273,275,645.40

Finding the Fourth Proportional to 818,534,111.40, 1,227,811,664.70 and 273,275,645.40

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Solution

The fourth proportional to 818,534,111.40, 1,227,811,664.70 and 273,275,645.40 is: 409,916,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,534,111.40 : 1,227,811,664.70 = 273,275,645.40 : x
  2. Step 2: Convert to fraction form
    818,534,111.40/1,227,811,664.70 = 273,275,645.40/x
  3. Step 3: Cross multiply
    818,534,111.40x = 1,227,811,664.70 × 273,275,645.40
  4. Step 4: Simplify right side
    818,534,111.40x = 335,531,025,100,540,864
  5. Step 5: Solve for x
    x = 335,531,025,100,540,864/818,534,111.40
  6. Step 6: Final answer
    x = 409,916,972.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.