Home / 693,397,361.18-1,040,081,469.71-168,769,390.01

Finding the Fourth Proportional to 693,397,361.18, 1,040,081,469.71 and 168,769,390.01

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Solution

The fourth proportional to 693,397,361.18, 1,040,081,469.71 and 168,769,390.01 is: 253,150,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,397,361.18 : 1,040,081,469.71 = 168,769,390.01 : x
  2. Step 2: Convert to fraction form
    693,397,361.18/1,040,081,469.71 = 168,769,390.01/x
  3. Step 3: Cross multiply
    693,397,361.18x = 1,040,081,469.71 × 168,769,390.01
  4. Step 4: Simplify right side
    693,397,361.18x = 175,533,915,203,660,992
  5. Step 5: Solve for x
    x = 175,533,915,203,660,992/693,397,361.18
  6. Step 6: Final answer
    x = 253,150,538.25

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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.