Home / 693,794,389.41-1,040,752,755.72-195,809,340.24

Finding the Fourth Proportional to 693,794,389.41, 1,040,752,755.72 and 195,809,340.24

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Solution

The fourth proportional to 693,794,389.41, 1,040,752,755.72 and 195,809,340.24 is: 293,731,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,794,389.41 : 1,040,752,755.72 = 195,809,340.24 : x
  2. Step 2: Convert to fraction form
    693,794,389.41/1,040,752,755.72 = 195,809,340.24/x
  3. Step 3: Cross multiply
    693,794,389.41x = 1,040,752,755.72 × 195,809,340.24
  4. Step 4: Simplify right side
    693,794,389.41x = 203,789,110,450,495,104
  5. Step 5: Solve for x
    x = 203,789,110,450,495,104/693,794,389.41
  6. Step 6: Final answer
    x = 293,731,274.80

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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.