Home / 7,978,176,816.15-11,967,265,224.23-3,624,612,144.15

Finding the Fourth Proportional to 7,978,176,816.15, 11,967,265,224.23 and 3,624,612,144.15

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Solution

The fourth proportional to 7,978,176,816.15, 11,967,265,224.23 and 3,624,612,144.15 is: 5,436,918,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,176,816.15 : 11,967,265,224.23 = 3,624,612,144.15 : x
  2. Step 2: Convert to fraction form
    7,978,176,816.15/11,967,265,224.23 = 3,624,612,144.15/x
  3. Step 3: Cross multiply
    7,978,176,816.15x = 11,967,265,224.23 × 3,624,612,144.15
  4. Step 4: Simplify right side
    7,978,176,816.15x = 43,376,694,863,989,907,456
  5. Step 5: Solve for x
    x = 43,376,694,863,989,907,456/7,978,176,816.15
  6. Step 6: Final answer
    x = 5,436,918,216.23

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1.5x scale

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.