Home / 685,236,157.14-945,623,262.62-371,967,630.87

Finding the Fourth Proportional to 685,236,157.14, 945,623,262.62 and 371,967,630.87

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Solution

The fourth proportional to 685,236,157.14, 945,623,262.62 and 371,967,630.87 is: 513,313,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,236,157.14 : 945,623,262.62 = 371,967,630.87 : x
  2. Step 2: Convert to fraction form
    685,236,157.14/945,623,262.62 = 371,967,630.87/x
  3. Step 3: Cross multiply
    685,236,157.14x = 945,623,262.62 × 371,967,630.87
  4. Step 4: Simplify right side
    685,236,157.14x = 351,741,244,694,708,800
  5. Step 5: Solve for x
    x = 351,741,244,694,708,800/685,236,157.14
  6. Step 6: Final answer
    x = 513,313,900.66

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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.