Home / 7,863,216,149.80-11,794,868,317.86-2,622,809,973.64

Finding the Fourth Proportional to 7,863,216,149.80, 11,794,868,317.86 and 2,622,809,973.64

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Solution

The fourth proportional to 7,863,216,149.80, 11,794,868,317.86 and 2,622,809,973.64 is: 3,934,229,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863,216,149.80 : 11,794,868,317.86 = 2,622,809,973.64 : x
  2. Step 2: Convert to fraction form
    7,863,216,149.80/11,794,868,317.86 = 2,622,809,973.64/x
  3. Step 3: Cross multiply
    7,863,216,149.80x = 11,794,868,317.86 × 2,622,809,973.64
  4. Step 4: Simplify right side
    7,863,216,149.80x = 30,935,698,261,853,659,136
  5. Step 5: Solve for x
    x = 30,935,698,261,853,659,136/7,863,216,149.80
  6. Step 6: Final answer
    x = 3,934,229,667.93

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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.