Home / 1,188,283,999.32-1,639,749,629.82-659,606,344.92

Finding the Fourth Proportional to 1,188,283,999.32, 1,639,749,629.82 and 659,606,344.92

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Solution

The fourth proportional to 1,188,283,999.32, 1,639,749,629.82 and 659,606,344.92 is: 910,211,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,283,999.32 : 1,639,749,629.82 = 659,606,344.92 : x
  2. Step 2: Convert to fraction form
    1,188,283,999.32/1,639,749,629.82 = 659,606,344.92/x
  3. Step 3: Cross multiply
    1,188,283,999.32x = 1,639,749,629.82 × 659,606,344.92
  4. Step 4: Simplify right side
    1,188,283,999.32x = 1,081,589,259,909,493,120
  5. Step 5: Solve for x
    x = 1,081,589,259,909,493,120/1,188,283,999.32
  6. Step 6: Final answer
    x = 910,211,077.93

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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.