Home / 493,194,620.28-680,609,379.72-270,171,406.48

Finding the Fourth Proportional to 493,194,620.28, 680,609,379.72 and 270,171,406.48

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Solution

The fourth proportional to 493,194,620.28, 680,609,379.72 and 270,171,406.48 is: 372,836,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,194,620.28 : 680,609,379.72 = 270,171,406.48 : x
  2. Step 2: Convert to fraction form
    493,194,620.28/680,609,379.72 = 270,171,406.48/x
  3. Step 3: Cross multiply
    493,194,620.28x = 680,609,379.72 × 270,171,406.48
  4. Step 4: Simplify right side
    493,194,620.28x = 183,881,193,382,432,800
  5. Step 5: Solve for x
    x = 183,881,193,382,432,800/493,194,620.28
  6. Step 6: Final answer
    x = 372,836,981.23

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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.