Home / 621,423,481.24-932,258,015.76-227,953,960.78

Finding the Fourth Proportional to 621,423,481.24, 932,258,015.76 and 227,953,960.78

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Solution

The fourth proportional to 621,423,481.24, 932,258,015.76 and 227,953,960.78 is: 341,975,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,423,481.24 : 932,258,015.76 = 227,953,960.78 : x
  2. Step 2: Convert to fraction form
    621,423,481.24/932,258,015.76 = 227,953,960.78/x
  3. Step 3: Cross multiply
    621,423,481.24x = 932,258,015.76 × 227,953,960.78
  4. Step 4: Simplify right side
    621,423,481.24x = 212,511,907,161,395,648
  5. Step 5: Solve for x
    x = 212,511,907,161,395,648/621,423,481.24
  6. Step 6: Final answer
    x = 341,975,985.10

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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.