Home / 780,096,356.75-1,170,546,836.19-365,615,286.23

Finding the Fourth Proportional to 780,096,356.75, 1,170,546,836.19 and 365,615,286.23

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Solution

The fourth proportional to 780,096,356.75, 1,170,546,836.19 and 365,615,286.23 is: 548,611,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,096,356.75 : 1,170,546,836.19 = 365,615,286.23 : x
  2. Step 2: Convert to fraction form
    780,096,356.75/1,170,546,836.19 = 365,615,286.23/x
  3. Step 3: Cross multiply
    780,096,356.75x = 1,170,546,836.19 × 365,615,286.23
  4. Step 4: Simplify right side
    780,096,356.75x = 427,969,816,553,375,104
  5. Step 5: Solve for x
    x = 427,969,816,553,375,104/780,096,356.75
  6. Step 6: Final answer
    x = 548,611,479.66

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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.