Home / 418,860,879,667.20-628,379,667,302.40-135,857,744,087.04

Finding the Fourth Proportional to 418,860,879,667.20, 628,379,667,302.40 and 135,857,744,087.04

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Solution

The fourth proportional to 418,860,879,667.20, 628,379,667,302.40 and 135,857,744,087.04 is: 203,815,271,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,860,879,667.20 : 628,379,667,302.40 = 135,857,744,087.04 : x
  2. Step 2: Convert to fraction form
    418,860,879,667.20/628,379,667,302.40 = 135,857,744,087.04/x
  3. Step 3: Cross multiply
    418,860,879,667.20x = 628,379,667,302.40 × 135,857,744,087.04
  4. Step 4: Simplify right side
    418,860,879,667.20x = 85,370,244,029,868,798,902,272
  5. Step 5: Solve for x
    x = 85,370,244,029,868,798,902,272/418,860,879,667.20
  6. Step 6: Final answer
    x = 203,815,271,785.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.