Home / 353,246,325.76-487,471,019.83-194,474,863.65

Finding the Fourth Proportional to 353,246,325.76, 487,471,019.83 and 194,474,863.65

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Solution

The fourth proportional to 353,246,325.76, 487,471,019.83 and 194,474,863.65 is: 268,370,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,246,325.76 : 487,471,019.83 = 194,474,863.65 : x
  2. Step 2: Convert to fraction form
    353,246,325.76/487,471,019.83 = 194,474,863.65/x
  3. Step 3: Cross multiply
    353,246,325.76x = 487,471,019.83 × 194,474,863.65
  4. Step 4: Simplify right side
    353,246,325.76x = 94,800,860,114,765,696
  5. Step 5: Solve for x
    x = 94,800,860,114,765,696/353,246,325.76
  6. Step 6: Final answer
    x = 268,370,406.71

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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.