Home / 820,119,171,446.90-1,230,178,757,170.40-820,119,171,446.90

Finding the Fourth Proportional to 820,119,171,446.90, 1,230,178,757,170.40 and 820,119,171,446.90

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Solution

The fourth proportional to 820,119,171,446.90, 1,230,178,757,170.40 and 820,119,171,446.90 is: 1,230,178,757,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,119,171,446.90 : 1,230,178,757,170.40 = 820,119,171,446.90 : x
  2. Step 2: Convert to fraction form
    820,119,171,446.90/1,230,178,757,170.40 = 820,119,171,446.90/x
  3. Step 3: Cross multiply
    820,119,171,446.90x = 1,230,178,757,170.40 × 820,119,171,446.90
  4. Step 4: Simplify right side
    820,119,171,446.90x = 1,008,893,183,062,165,629,698,048
  5. Step 5: Solve for x
    x = 1,008,893,183,062,165,629,698,048/820,119,171,446.90
  6. Step 6: Final answer
    x = 1,230,178,757,170.40

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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.