Home / 1,206,581,578.62-1,809,823,106.97-419,815,307.58

Finding the Fourth Proportional to 1,206,581,578.62, 1,809,823,106.97 and 419,815,307.58

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Solution

The fourth proportional to 1,206,581,578.62, 1,809,823,106.97 and 419,815,307.58 is: 629,705,821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,581,578.62 : 1,809,823,106.97 = 419,815,307.58 : x
  2. Step 2: Convert to fraction form
    1,206,581,578.62/1,809,823,106.97 = 419,815,307.58/x
  3. Step 3: Cross multiply
    1,206,581,578.62x = 1,809,823,106.97 × 419,815,307.58
  4. Step 4: Simplify right side
    1,206,581,578.62x = 759,791,444,318,001,792
  5. Step 5: Solve for x
    x = 759,791,444,318,001,792/1,206,581,578.62
  6. Step 6: Final answer
    x = 629,705,821.62

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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.