Home / 426,104,234.52-639,340,483.16-229,137,431.51

Finding the Fourth Proportional to 426,104,234.52, 639,340,483.16 and 229,137,431.51

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Solution

The fourth proportional to 426,104,234.52, 639,340,483.16 and 229,137,431.51 is: 343,805,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,104,234.52 : 639,340,483.16 = 229,137,431.51 : x
  2. Step 2: Convert to fraction form
    426,104,234.52/639,340,483.16 = 229,137,431.51/x
  3. Step 3: Cross multiply
    426,104,234.52x = 639,340,483.16 × 229,137,431.51
  4. Step 4: Simplify right side
    426,104,234.52x = 146,496,836,171,644,800
  5. Step 5: Solve for x
    x = 146,496,836,171,644,800/426,104,234.52
  6. Step 6: Final answer
    x = 343,805,163.86

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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.