Home / 550,145,343.70-825,218,015.55-495,725,785.30

Finding the Fourth Proportional to 550,145,343.70, 825,218,015.55 and 495,725,785.30

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Solution

The fourth proportional to 550,145,343.70, 825,218,015.55 and 495,725,785.30 is: 743,588,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,145,343.70 : 825,218,015.55 = 495,725,785.30 : x
  2. Step 2: Convert to fraction form
    550,145,343.70/825,218,015.55 = 495,725,785.30/x
  3. Step 3: Cross multiply
    550,145,343.70x = 825,218,015.55 × 495,725,785.30
  4. Step 4: Simplify right side
    550,145,343.70x = 409,081,848,802,231,360
  5. Step 5: Solve for x
    x = 409,081,848,802,231,360/550,145,343.70
  6. Step 6: Final answer
    x = 743,588,677.95

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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.