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Finding the Fourth Proportional to 446,978,435.07, 670,016,946.26 and 281,100,486.86

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Solution

The fourth proportional to 446,978,435.07, 670,016,946.26 and 281,100,486.86 is: 421,367,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,978,435.07 : 670,016,946.26 = 281,100,486.86 : x
  2. Step 2: Convert to fraction form
    446,978,435.07/670,016,946.26 = 281,100,486.86/x
  3. Step 3: Cross multiply
    446,978,435.07x = 670,016,946.26 × 281,100,486.86
  4. Step 4: Simplify right side
    446,978,435.07x = 188,342,089,800,752,576
  5. Step 5: Solve for x
    x = 188,342,089,800,752,576/446,978,435.07
  6. Step 6: Final answer
    x = 421,367,285.37

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Why These Related Problems?

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