Home / 493,162,620.24-680,575,412.88-281,465,204.72

Finding the Fourth Proportional to 493,162,620.24, 680,575,412.88 and 281,465,204.72

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Solution

The fourth proportional to 493,162,620.24, 680,575,412.88 and 281,465,204.72 is: 388,428,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,162,620.24 : 680,575,412.88 = 281,465,204.72 : x
  2. Step 2: Convert to fraction form
    493,162,620.24/680,575,412.88 = 281,465,204.72/x
  3. Step 3: Cross multiply
    493,162,620.24x = 680,575,412.88 × 281,465,204.72
  4. Step 4: Simplify right side
    493,162,620.24x = 191,558,297,913,667,744
  5. Step 5: Solve for x
    x = 191,558,297,913,667,744/493,162,620.24
  6. Step 6: Final answer
    x = 388,428,258.86

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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.