Home / 762,888,517.39-1,144,503,362.07-278,214,325.39

Finding the Fourth Proportional to 762,888,517.39, 1,144,503,362.07 and 278,214,325.39

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Solution

The fourth proportional to 762,888,517.39, 1,144,503,362.07 and 278,214,325.39 is: 417,383,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,888,517.39 : 1,144,503,362.07 = 278,214,325.39 : x
  2. Step 2: Convert to fraction form
    762,888,517.39/1,144,503,362.07 = 278,214,325.39/x
  3. Step 3: Cross multiply
    762,888,517.39x = 1,144,503,362.07 × 278,214,325.39
  4. Step 4: Simplify right side
    762,888,517.39x = 318,417,230,784,891,904
  5. Step 5: Solve for x
    x = 318,417,230,784,891,904/762,888,517.39
  6. Step 6: Final answer
    x = 417,383,698.31

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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.