Home / 780,096,357.75-1,170,546,837.69-365,615,287.23

Finding the Fourth Proportional to 780,096,357.75, 1,170,546,837.69 and 365,615,287.23

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Solution

The fourth proportional to 780,096,357.75, 1,170,546,837.69 and 365,615,287.23 is: 548,611,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,096,357.75 : 1,170,546,837.69 = 365,615,287.23 : x
  2. Step 2: Convert to fraction form
    780,096,357.75/1,170,546,837.69 = 365,615,287.23/x
  3. Step 3: Cross multiply
    780,096,357.75x = 1,170,546,837.69 × 365,615,287.23
  4. Step 4: Simplify right side
    780,096,357.75x = 427,969,818,278,197,568
  5. Step 5: Solve for x
    x = 427,969,818,278,197,568/780,096,357.75
  6. Step 6: Final answer
    x = 548,611,481.17

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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.