Home / 942,921,687.00-1,414,601,376.70-321,142,305.81

Finding the Fourth Proportional to 942,921,687.00, 1,414,601,376.70 and 321,142,305.81

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Solution

The fourth proportional to 942,921,687.00, 1,414,601,376.70 and 321,142,305.81 is: 481,787,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,921,687.00 : 1,414,601,376.70 = 321,142,305.81 : x
  2. Step 2: Convert to fraction form
    942,921,687.00/1,414,601,376.70 = 321,142,305.81/x
  3. Step 3: Cross multiply
    942,921,687.00x = 1,414,601,376.70 × 321,142,305.81
  4. Step 4: Simplify right side
    942,921,687.00x = 454,288,347,918,505,728
  5. Step 5: Solve for x
    x = 454,288,347,918,505,728/942,921,687.00
  6. Step 6: Final answer
    x = 481,787,993.83

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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.