Home / 496,494,571.46-685,162,506.05-287,771,783.01

Finding the Fourth Proportional to 496,494,571.46, 685,162,506.05 and 287,771,783.01

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Solution

The fourth proportional to 496,494,571.46, 685,162,506.05 and 287,771,783.01 is: 397,125,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,494,571.46 : 685,162,506.05 = 287,771,783.01 : x
  2. Step 2: Convert to fraction form
    496,494,571.46/685,162,506.05 = 287,771,783.01/x
  3. Step 3: Cross multiply
    496,494,571.46x = 685,162,506.05 × 287,771,783.01
  4. Step 4: Simplify right side
    496,494,571.46x = 197,170,436,017,709,824
  5. Step 5: Solve for x
    x = 197,170,436,017,709,824/496,494,571.46
  6. Step 6: Final answer
    x = 397,125,059.07

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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.