Home / 28,053,838,790.05-42,086,172,234.99-9,162,047,620.65

Finding the Fourth Proportional to 28,053,838,790.05, 42,086,172,234.99 and 9,162,047,620.65

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Solution

The fourth proportional to 28,053,838,790.05, 42,086,172,234.99 and 9,162,047,620.65 is: 13,744,839,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053,838,790.05 : 42,086,172,234.99 = 9,162,047,620.65 : x
  2. Step 2: Convert to fraction form
    28,053,838,790.05/42,086,172,234.99 = 9,162,047,620.65/x
  3. Step 3: Cross multiply
    28,053,838,790.05x = 42,086,172,234.99 × 9,162,047,620.65
  4. Step 4: Simplify right side
    28,053,838,790.05x = 385,595,514,187,984,470,016
  5. Step 5: Solve for x
    x = 385,595,514,187,984,470,016/28,053,838,790.05
  6. Step 6: Final answer
    x = 13,744,839,594.81

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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.