Home / 967,389,879.40-1,450,155,846.30-320,824,810.60

Finding the Fourth Proportional to 967,389,879.40, 1,450,155,846.30 and 320,824,810.60

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Solution

The fourth proportional to 967,389,879.40, 1,450,155,846.30 and 320,824,810.60 is: 480,929,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,389,879.40 : 1,450,155,846.30 = 320,824,810.60 : x
  2. Step 2: Convert to fraction form
    967,389,879.40/1,450,155,846.30 = 320,824,810.60/x
  3. Step 3: Cross multiply
    967,389,879.40x = 1,450,155,846.30 × 320,824,810.60
  4. Step 4: Simplify right side
    967,389,879.40x = 465,245,974,729,680,256
  5. Step 5: Solve for x
    x = 465,245,974,729,680,256/967,389,879.40
  6. Step 6: Final answer
    x = 480,929,131.71

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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.