Home / 789,962,879.88-1,183,914,184.50-440,194,278.60

Finding the Fourth Proportional to 789,962,879.88, 1,183,914,184.50 and 440,194,278.60

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Solution

The fourth proportional to 789,962,879.88, 1,183,914,184.50 and 440,194,278.60 is: 659,717,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,962,879.88 : 1,183,914,184.50 = 440,194,278.60 : x
  2. Step 2: Convert to fraction form
    789,962,879.88/1,183,914,184.50 = 440,194,278.60/x
  3. Step 3: Cross multiply
    789,962,879.88x = 1,183,914,184.50 × 440,194,278.60
  4. Step 4: Simplify right side
    789,962,879.88x = 521,152,250,370,284,800
  5. Step 5: Solve for x
    x = 521,152,250,370,284,800/789,962,879.88
  6. Step 6: Final answer
    x = 659,717,391.34

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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.