Home / 309,216,508.83-462,815,326.67-227,313,708.75

Finding the Fourth Proportional to 309,216,508.83, 462,815,326.67 and 227,313,708.75

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Solution

The fourth proportional to 309,216,508.83, 462,815,326.67 and 227,313,708.75 is: 340,228,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,216,508.83 : 462,815,326.67 = 227,313,708.75 : x
  2. Step 2: Convert to fraction form
    309,216,508.83/462,815,326.67 = 227,313,708.75/x
  3. Step 3: Cross multiply
    309,216,508.83x = 462,815,326.67 × 227,313,708.75
  4. Step 4: Simplify right side
    309,216,508.83x = 105,204,268,370,563,920
  5. Step 5: Solve for x
    x = 105,204,268,370,563,920/309,216,508.83
  6. Step 6: Final answer
    x = 340,228,498.05

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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.