Home / 457,307,968,450.72-685,847,906,052.72-134,546,557,159.84

Finding the Fourth Proportional to 457,307,968,450.72, 685,847,906,052.72 and 134,546,557,159.84

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Solution

The fourth proportional to 457,307,968,450.72, 685,847,906,052.72 and 134,546,557,159.84 is: 201,786,281,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,307,968,450.72 : 685,847,906,052.72 = 134,546,557,159.84 : x
  2. Step 2: Convert to fraction form
    457,307,968,450.72/685,847,906,052.72 = 134,546,557,159.84/x
  3. Step 3: Cross multiply
    457,307,968,450.72x = 685,847,906,052.72 × 134,546,557,159.84
  4. Step 4: Simplify right side
    457,307,968,450.72x = 92,278,474,494,678,854,008,832
  5. Step 5: Solve for x
    x = 92,278,474,494,678,854,008,832/457,307,968,450.72
  6. Step 6: Final answer
    x = 201,786,281,588.98

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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.