Home / 769,049,635.20-1,061,284,135.68-416,632,518.72

Finding the Fourth Proportional to 769,049,635.20, 1,061,284,135.68 and 416,632,518.72

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Solution

The fourth proportional to 769,049,635.20, 1,061,284,135.68 and 416,632,518.72 is: 574,950,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,049,635.20 : 1,061,284,135.68 = 416,632,518.72 : x
  2. Step 2: Convert to fraction form
    769,049,635.20/1,061,284,135.68 = 416,632,518.72/x
  3. Step 3: Cross multiply
    769,049,635.20x = 1,061,284,135.68 × 416,632,518.72
  4. Step 4: Simplify right side
    769,049,635.20x = 442,165,482,525,936,640
  5. Step 5: Solve for x
    x = 442,165,482,525,936,640/769,049,635.20
  6. Step 6: Final answer
    x = 574,950,513.32

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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.