Home / 1,223,976,478.46-1,836,505,606.54-641,571,467.54

Finding the Fourth Proportional to 1,223,976,478.46, 1,836,505,606.54 and 641,571,467.54

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Solution

The fourth proportional to 1,223,976,478.46, 1,836,505,606.54 and 641,571,467.54 is: 962,640,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,976,478.46 : 1,836,505,606.54 = 641,571,467.54 : x
  2. Step 2: Convert to fraction form
    1,223,976,478.46/1,836,505,606.54 = 641,571,467.54/x
  3. Step 3: Cross multiply
    1,223,976,478.46x = 1,836,505,606.54 × 641,571,467.54
  4. Step 4: Simplify right side
    1,223,976,478.46x = 1,178,249,597,133,305,600
  5. Step 5: Solve for x
    x = 1,178,249,597,133,305,600/1,223,976,478.46
  6. Step 6: Final answer
    x = 962,640,718.89

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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.