Home / 280,961,504,561.72-421,525,045,113.78-113,182,629,986.36

Finding the Fourth Proportional to 280,961,504,561.72, 421,525,045,113.78 and 113,182,629,986.36

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Solution

The fourth proportional to 280,961,504,561.72, 421,525,045,113.78 and 113,182,629,986.36 is: 169,807,295,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,961,504,561.72 : 421,525,045,113.78 = 113,182,629,986.36 : x
  2. Step 2: Convert to fraction form
    280,961,504,561.72/421,525,045,113.78 = 113,182,629,986.36/x
  3. Step 3: Cross multiply
    280,961,504,561.72x = 421,525,045,113.78 × 113,182,629,986.36
  4. Step 4: Simplify right side
    280,961,504,561.72x = 47,709,313,211,096,669,093,888
  5. Step 5: Solve for x
    x = 47,709,313,211,096,669,093,888/280,961,504,561.72
  6. Step 6: Final answer
    x = 169,807,295,435.44

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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.