Home / 511,232,004.80-766,848,007.20-284,297,220.80

Finding the Fourth Proportional to 511,232,004.80, 766,848,007.20 and 284,297,220.80

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Solution

The fourth proportional to 511,232,004.80, 766,848,007.20 and 284,297,220.80 is: 426,445,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,232,004.80 : 766,848,007.20 = 284,297,220.80 : x
  2. Step 2: Convert to fraction form
    511,232,004.80/766,848,007.20 = 284,297,220.80/x
  3. Step 3: Cross multiply
    511,232,004.80x = 766,848,007.20 × 284,297,220.80
  4. Step 4: Simplify right side
    511,232,004.80x = 218,012,757,222,978,400
  5. Step 5: Solve for x
    x = 218,012,757,222,978,400/511,232,004.80
  6. Step 6: Final answer
    x = 426,445,831.20

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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.