Home / 218,628,218,947.86-327,956,717,923.56-57,283,576,441.92

Finding the Fourth Proportional to 218,628,218,947.86, 327,956,717,923.56 and 57,283,576,441.92

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Solution

The fourth proportional to 218,628,218,947.86, 327,956,717,923.56 and 57,283,576,441.92 is: 85,929,134,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,628,218,947.86 : 327,956,717,923.56 = 57,283,576,441.92 : x
  2. Step 2: Convert to fraction form
    218,628,218,947.86/327,956,717,923.56 = 57,283,576,441.92/x
  3. Step 3: Cross multiply
    218,628,218,947.86x = 327,956,717,923.56 × 57,283,576,441.92
  4. Step 4: Simplify right side
    218,628,218,947.86x = 18,786,533,720,815,443,116,032
  5. Step 5: Solve for x
    x = 18,786,533,720,815,443,116,032/218,628,218,947.86
  6. Step 6: Final answer
    x = 85,929,134,908.68

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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.