Home / 894,096,942.78-1,233,832,004.72-492,207,425.08

Finding the Fourth Proportional to 894,096,942.78, 1,233,832,004.72 and 492,207,425.08

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Solution

The fourth proportional to 894,096,942.78, 1,233,832,004.72 and 492,207,425.08 is: 679,234,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,096,942.78 : 1,233,832,004.72 = 492,207,425.08 : x
  2. Step 2: Convert to fraction form
    894,096,942.78/1,233,832,004.72 = 492,207,425.08/x
  3. Step 3: Cross multiply
    894,096,942.78x = 1,233,832,004.72 × 492,207,425.08
  4. Step 4: Simplify right side
    894,096,942.78x = 607,301,274,024,525,568
  5. Step 5: Solve for x
    x = 607,301,274,024,525,568/894,096,942.78
  6. Step 6: Final answer
    x = 679,234,258.58

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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.