Home / 894,789,727.75-1,342,232,421.32-281,421,783.19

Finding the Fourth Proportional to 894,789,727.75, 1,342,232,421.32 and 281,421,783.19

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Solution

The fourth proportional to 894,789,727.75, 1,342,232,421.32 and 281,421,783.19 is: 422,147,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,789,727.75 : 1,342,232,421.32 = 281,421,783.19 : x
  2. Step 2: Convert to fraction form
    894,789,727.75/1,342,232,421.32 = 281,421,783.19/x
  3. Step 3: Cross multiply
    894,789,727.75x = 1,342,232,421.32 × 281,421,783.19
  4. Step 4: Simplify right side
    894,789,727.75x = 377,733,441,463,305,728
  5. Step 5: Solve for x
    x = 377,733,441,463,305,728/894,789,727.75
  6. Step 6: Final answer
    x = 422,147,717.78

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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.