Home / 1,999,890,309.77-2,759,847,667.57-1,196,117,793.30

Finding the Fourth Proportional to 1,999,890,309.77, 2,759,847,667.57 and 1,196,117,793.30

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Solution

The fourth proportional to 1,999,890,309.77, 2,759,847,667.57 and 1,196,117,793.30 is: 1,650,641,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,890,309.77 : 2,759,847,667.57 = 1,196,117,793.30 : x
  2. Step 2: Convert to fraction form
    1,999,890,309.77/2,759,847,667.57 = 1,196,117,793.30/x
  3. Step 3: Cross multiply
    1,999,890,309.77x = 2,759,847,667.57 × 1,196,117,793.30
  4. Step 4: Simplify right side
    1,999,890,309.77x = 3,301,102,901,958,200,832
  5. Step 5: Solve for x
    x = 3,301,102,901,958,200,832/1,999,890,309.77
  6. Step 6: Final answer
    x = 1,650,641,980.63

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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.