Home / 621,422,998.90-932,257,292.57-227,953,478.74

Finding the Fourth Proportional to 621,422,998.90, 932,257,292.57 and 227,953,478.74

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Solution

The fourth proportional to 621,422,998.90, 932,257,292.57 and 227,953,478.74 is: 341,975,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,422,998.90 : 932,257,292.57 = 227,953,478.74 : x
  2. Step 2: Convert to fraction form
    621,422,998.90/932,257,292.57 = 227,953,478.74/x
  3. Step 3: Cross multiply
    621,422,998.90x = 932,257,292.57 × 227,953,478.74
  4. Step 4: Simplify right side
    621,422,998.90x = 212,511,292,918,595,072
  5. Step 5: Solve for x
    x = 212,511,292,918,595,072/621,422,998.90
  6. Step 6: Final answer
    x = 341,975,262.09

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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.