Home / 340,451,953.54-469,809,179.78-189,736,589.55

Finding the Fourth Proportional to 340,451,953.54, 469,809,179.78 and 189,736,589.55

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Solution

The fourth proportional to 340,451,953.54, 469,809,179.78 and 189,736,589.55 is: 261,828,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,451,953.54 : 469,809,179.78 = 189,736,589.55 : x
  2. Step 2: Convert to fraction form
    340,451,953.54/469,809,179.78 = 189,736,589.55/x
  3. Step 3: Cross multiply
    340,451,953.54x = 469,809,179.78 × 189,736,589.55
  4. Step 4: Simplify right side
    340,451,953.54x = 89,139,991,510,740,016
  5. Step 5: Solve for x
    x = 89,139,991,510,740,016/340,451,953.54
  6. Step 6: Final answer
    x = 261,828,403.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.