Home / 628,790,982.54-941,977,630.06-351,601,481.38

Finding the Fourth Proportional to 628,790,982.54, 941,977,630.06 and 351,601,481.38

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Solution

The fourth proportional to 628,790,982.54, 941,977,630.06 and 351,601,481.38 is: 526,726,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,790,982.54 : 941,977,630.06 = 351,601,481.38 : x
  2. Step 2: Convert to fraction form
    628,790,982.54/941,977,630.06 = 351,601,481.38/x
  3. Step 3: Cross multiply
    628,790,982.54x = 941,977,630.06 × 351,601,481.38
  4. Step 4: Simplify right side
    628,790,982.54x = 331,200,730,154,445,120
  5. Step 5: Solve for x
    x = 331,200,730,154,445,120/628,790,982.54
  6. Step 6: Final answer
    x = 526,726,272.09

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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.