Home / 260,928,890,584.20-391,449,670,901.82-79,425,916,201.32

Finding the Fourth Proportional to 260,928,890,584.20, 391,449,670,901.82 and 79,425,916,201.32

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Solution

The fourth proportional to 260,928,890,584.20, 391,449,670,901.82 and 79,425,916,201.32 is: 119,156,022,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,928,890,584.20 : 391,449,670,901.82 = 79,425,916,201.32 : x
  2. Step 2: Convert to fraction form
    260,928,890,584.20/391,449,670,901.82 = 79,425,916,201.32/x
  3. Step 3: Cross multiply
    260,928,890,584.20x = 391,449,670,901.82 × 79,425,916,201.32
  4. Step 4: Simplify right side
    260,928,890,584.20x = 31,091,248,758,082,250,997,760
  5. Step 5: Solve for x
    x = 31,091,248,758,082,250,997,760/260,928,890,584.20
  6. Step 6: Final answer
    x = 119,156,022,502.80

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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.