Home / 967,725,190.40-1,450,658,812.80-321,160,121.60

Finding the Fourth Proportional to 967,725,190.40, 1,450,658,812.80 and 321,160,121.60

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Solution

The fourth proportional to 967,725,190.40, 1,450,658,812.80 and 321,160,121.60 is: 481,431,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,725,190.40 : 1,450,658,812.80 = 321,160,121.60 : x
  2. Step 2: Convert to fraction form
    967,725,190.40/1,450,658,812.80 = 321,160,121.60/x
  3. Step 3: Cross multiply
    967,725,190.40x = 1,450,658,812.80 × 321,160,121.60
  4. Step 4: Simplify right side
    967,725,190.40x = 465,893,760,718,959,680
  5. Step 5: Solve for x
    x = 465,893,760,718,959,680/967,725,190.40
  6. Step 6: Final answer
    x = 481,431,883.08

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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.