Home / 754,819,759.67-1,131,850,760.04-439,787,759.58

Finding the Fourth Proportional to 754,819,759.67, 1,131,850,760.04 and 439,787,759.58

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Solution

The fourth proportional to 754,819,759.67, 1,131,850,760.04 and 439,787,759.58 is: 659,460,889.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,819,759.67 : 1,131,850,760.04 = 439,787,759.58 : x
  2. Step 2: Convert to fraction form
    754,819,759.67/1,131,850,760.04 = 439,787,759.58/x
  3. Step 3: Cross multiply
    754,819,759.67x = 1,131,850,760.04 × 439,787,759.58
  4. Step 4: Simplify right side
    754,819,759.67x = 497,774,109,936,911,744
  5. Step 5: Solve for x
    x = 497,774,109,936,911,744/754,819,759.67
  6. Step 6: Final answer
    x = 659,460,889.26

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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.