Home / 762,888,517.89-1,144,503,362.82-278,214,325.89

Finding the Fourth Proportional to 762,888,517.89, 1,144,503,362.82 and 278,214,325.89

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Solution

The fourth proportional to 762,888,517.89, 1,144,503,362.82 and 278,214,325.89 is: 417,383,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,888,517.89 : 1,144,503,362.82 = 278,214,325.89 : x
  2. Step 2: Convert to fraction form
    762,888,517.89/1,144,503,362.82 = 278,214,325.89/x
  3. Step 3: Cross multiply
    762,888,517.89x = 1,144,503,362.82 × 278,214,325.89
  4. Step 4: Simplify right side
    762,888,517.89x = 318,417,231,565,804,352
  5. Step 5: Solve for x
    x = 318,417,231,565,804,352/762,888,517.89
  6. Step 6: Final answer
    x = 417,383,699.06

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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.