Home / 994,915,517.89-1,492,049,950.75-330,751,261.57

Finding the Fourth Proportional to 994,915,517.89, 1,492,049,950.75 and 330,751,261.57

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Solution

The fourth proportional to 994,915,517.89, 1,492,049,950.75 and 330,751,261.57 is: 496,019,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,915,517.89 : 1,492,049,950.75 = 330,751,261.57 : x
  2. Step 2: Convert to fraction form
    994,915,517.89/1,492,049,950.75 = 330,751,261.57/x
  3. Step 3: Cross multiply
    994,915,517.89x = 1,492,049,950.75 × 330,751,261.57
  4. Step 4: Simplify right side
    994,915,517.89x = 493,497,403,536,018,880
  5. Step 5: Solve for x
    x = 493,497,403,536,018,880/994,915,517.89
  6. Step 6: Final answer
    x = 496,019,405.33

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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.