Home / 991,999,265.24-1,368,933,790.83-539,858,013.17

Finding the Fourth Proportional to 991,999,265.24, 1,368,933,790.83 and 539,858,013.17

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Solution

The fourth proportional to 991,999,265.24, 1,368,933,790.83 and 539,858,013.17 is: 744,990,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,999,265.24 : 1,368,933,790.83 = 539,858,013.17 : x
  2. Step 2: Convert to fraction form
    991,999,265.24/1,368,933,790.83 = 539,858,013.17/x
  3. Step 3: Cross multiply
    991,999,265.24x = 1,368,933,790.83 × 539,858,013.17
  4. Step 4: Simplify right side
    991,999,265.24x = 739,029,876,471,915,392
  5. Step 5: Solve for x
    x = 739,029,876,471,915,392/991,999,265.24
  6. Step 6: Final answer
    x = 744,990,346.64

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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.