Home / 397,986,980,356.80-596,980,470,535.20-327,321,483,163.20

Finding the Fourth Proportional to 397,986,980,356.80, 596,980,470,535.20 and 327,321,483,163.20

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Solution

The fourth proportional to 397,986,980,356.80, 596,980,470,535.20 and 327,321,483,163.20 is: 490,982,224,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,986,980,356.80 : 596,980,470,535.20 = 327,321,483,163.20 : x
  2. Step 2: Convert to fraction form
    397,986,980,356.80/596,980,470,535.20 = 327,321,483,163.20/x
  3. Step 3: Cross multiply
    397,986,980,356.80x = 596,980,470,535.20 × 327,321,483,163.20
  4. Step 4: Simplify right side
    397,986,980,356.80x = 195,404,533,035,046,681,968,640
  5. Step 5: Solve for x
    x = 195,404,533,035,046,681,968,640/397,986,980,356.80
  6. Step 6: Final answer
    x = 490,982,224,744.80

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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.