Home / 789,269,699.46-1,183,366,449.96-400,342,571.58

Finding the Fourth Proportional to 789,269,699.46, 1,183,366,449.96 and 400,342,571.58

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Solution

The fourth proportional to 789,269,699.46, 1,183,366,449.96 and 400,342,571.58 is: 600,240,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,269,699.46 : 1,183,366,449.96 = 400,342,571.58 : x
  2. Step 2: Convert to fraction form
    789,269,699.46/1,183,366,449.96 = 400,342,571.58/x
  3. Step 3: Cross multiply
    789,269,699.46x = 1,183,366,449.96 × 400,342,571.58
  4. Step 4: Simplify right side
    789,269,699.46x = 473,751,967,698,481,792
  5. Step 5: Solve for x
    x = 473,751,967,698,481,792/789,269,699.46
  6. Step 6: Final answer
    x = 600,240,916.41

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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.