Home / 2,818,557,128.31-4,231,530,659.03-1,890,034,784.65

Finding the Fourth Proportional to 2,818,557,128.31, 4,231,530,659.03 and 1,890,034,784.65

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Solution

The fourth proportional to 2,818,557,128.31, 4,231,530,659.03 and 1,890,034,784.65 is: 2,837,529,904.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,557,128.31 : 4,231,530,659.03 = 1,890,034,784.65 : x
  2. Step 2: Convert to fraction form
    2,818,557,128.31/4,231,530,659.03 = 1,890,034,784.65/x
  3. Step 3: Cross multiply
    2,818,557,128.31x = 4,231,530,659.03 × 1,890,034,784.65
  4. Step 4: Simplify right side
    2,818,557,128.31x = 7,997,740,137,886,976,000
  5. Step 5: Solve for x
    x = 7,997,740,137,886,976,000/2,818,557,128.31
  6. Step 6: Final answer
    x = 2,837,529,904.07

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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.