Home / 5,131,464,429.16-7,081,420,912.23-2,784,620,973.16

Finding the Fourth Proportional to 5,131,464,429.16, 7,081,420,912.23 and 2,784,620,973.16

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Solution

The fourth proportional to 5,131,464,429.16, 7,081,420,912.23 and 2,784,620,973.16 is: 3,842,776,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,464,429.16 : 7,081,420,912.23 = 2,784,620,973.16 : x
  2. Step 2: Convert to fraction form
    5,131,464,429.16/7,081,420,912.23 = 2,784,620,973.16/x
  3. Step 3: Cross multiply
    5,131,464,429.16x = 7,081,420,912.23 × 2,784,620,973.16
  4. Step 4: Simplify right side
    5,131,464,429.16x = 19,719,073,191,969,476,608
  5. Step 5: Solve for x
    x = 19,719,073,191,969,476,608/5,131,464,429.16
  6. Step 6: Final answer
    x = 3,842,776,942.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.