Home / 621,423,480.24-932,258,014.26-227,953,959.78

Finding the Fourth Proportional to 621,423,480.24, 932,258,014.26 and 227,953,959.78

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Solution

The fourth proportional to 621,423,480.24, 932,258,014.26 and 227,953,959.78 is: 341,975,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,423,480.24 : 932,258,014.26 = 227,953,959.78 : x
  2. Step 2: Convert to fraction form
    621,423,480.24/932,258,014.26 = 227,953,959.78/x
  3. Step 3: Cross multiply
    621,423,480.24x = 932,258,014.26 × 227,953,959.78
  4. Step 4: Simplify right side
    621,423,480.24x = 212,511,905,887,206,720
  5. Step 5: Solve for x
    x = 212,511,905,887,206,720/621,423,480.24
  6. Step 6: Final answer
    x = 341,975,983.60

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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.