Home / 418,860,879,668.20-628,379,667,303.90-135,857,744,088.04

Finding the Fourth Proportional to 418,860,879,668.20, 628,379,667,303.90 and 135,857,744,088.04

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Solution

The fourth proportional to 418,860,879,668.20, 628,379,667,303.90 and 135,857,744,088.04 is: 203,815,271,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,860,879,668.20 : 628,379,667,303.90 = 135,857,744,088.04 : x
  2. Step 2: Convert to fraction form
    418,860,879,668.20/628,379,667,303.90 = 135,857,744,088.04/x
  3. Step 3: Cross multiply
    418,860,879,668.20x = 628,379,667,303.90 × 135,857,744,088.04
  4. Step 4: Simplify right side
    418,860,879,668.20x = 85,370,244,030,700,965,593,088
  5. Step 5: Solve for x
    x = 85,370,244,030,700,965,593,088/418,860,879,668.20
  6. Step 6: Final answer
    x = 203,815,271,787.44

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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.