Home / 274,297,647,685.86-378,445,355,059.32-158,512,225,422.71

Finding the Fourth Proportional to 274,297,647,685.86, 378,445,355,059.32 and 158,512,225,422.71

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Solution

The fourth proportional to 274,297,647,685.86, 378,445,355,059.32 and 158,512,225,422.71 is: 218,697,520,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,297,647,685.86 : 378,445,355,059.32 = 158,512,225,422.71 : x
  2. Step 2: Convert to fraction form
    274,297,647,685.86/378,445,355,059.32 = 158,512,225,422.71/x
  3. Step 3: Cross multiply
    274,297,647,685.86x = 378,445,355,059.32 × 158,512,225,422.71
  4. Step 4: Simplify right side
    274,297,647,685.86x = 59,988,215,431,340,453,003,264
  5. Step 5: Solve for x
    x = 59,988,215,431,340,453,003,264/274,297,647,685.86
  6. Step 6: Final answer
    x = 218,697,520,512.62

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1.5x scale

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.