Home / 621,422,998.62-932,257,292.14-227,953,478.45

Finding the Fourth Proportional to 621,422,998.62, 932,257,292.14 and 227,953,478.45

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Solution

The fourth proportional to 621,422,998.62, 932,257,292.14 and 227,953,478.45 is: 341,975,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,422,998.62 : 932,257,292.14 = 227,953,478.45 : x
  2. Step 2: Convert to fraction form
    621,422,998.62/932,257,292.14 = 227,953,478.45/x
  3. Step 3: Cross multiply
    621,422,998.62x = 932,257,292.14 × 227,953,478.45
  4. Step 4: Simplify right side
    621,422,998.62x = 212,511,292,556,306,432
  5. Step 5: Solve for x
    x = 212,511,292,556,306,432/621,422,998.62
  6. Step 6: Final answer
    x = 341,975,261.66

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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.