Home / 353,246,329.76-487,471,025.36-194,474,867.64

Finding the Fourth Proportional to 353,246,329.76, 487,471,025.36 and 194,474,867.64

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Solution

The fourth proportional to 353,246,329.76, 487,471,025.36 and 194,474,867.64 is: 268,370,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,246,329.76 : 487,471,025.36 = 194,474,867.64 : x
  2. Step 2: Convert to fraction form
    353,246,329.76/487,471,025.36 = 194,474,867.64/x
  3. Step 3: Cross multiply
    353,246,329.76x = 487,471,025.36 × 194,474,867.64
  4. Step 4: Simplify right side
    353,246,329.76x = 94,800,863,135,221,072
  5. Step 5: Solve for x
    x = 94,800,863,135,221,072/353,246,329.76
  6. Step 6: Final answer
    x = 268,370,412.23

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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.