Home / 866,096,841.87-1,195,237,143.32-489,809,699.27

Finding the Fourth Proportional to 866,096,841.87, 1,195,237,143.32 and 489,809,699.27

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Solution

The fourth proportional to 866,096,841.87, 1,195,237,143.32 and 489,809,699.27 is: 675,950,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,096,841.87 : 1,195,237,143.32 = 489,809,699.27 : x
  2. Step 2: Convert to fraction form
    866,096,841.87/1,195,237,143.32 = 489,809,699.27/x
  3. Step 3: Cross multiply
    866,096,841.87x = 1,195,237,143.32 × 489,809,699.27
  4. Step 4: Simplify right side
    866,096,841.87x = 585,438,745,717,477,888
  5. Step 5: Solve for x
    x = 585,438,745,717,477,888/866,096,841.87
  6. Step 6: Final answer
    x = 675,950,675.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.