Home / 30,635,222,942.93-45,858,584,734.29-19,988,522,356.28

Finding the Fourth Proportional to 30,635,222,942.93, 45,858,584,734.29 and 19,988,522,356.28

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Solution

The fourth proportional to 30,635,222,942.93, 45,858,584,734.29 and 19,988,522,356.28 is: 29,921,288,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635,222,942.93 : 45,858,584,734.29 = 19,988,522,356.28 : x
  2. Step 2: Convert to fraction form
    30,635,222,942.93/45,858,584,734.29 = 19,988,522,356.28/x
  3. Step 3: Cross multiply
    30,635,222,942.93x = 45,858,584,734.29 × 19,988,522,356.28
  4. Step 4: Simplify right side
    30,635,222,942.93x = 916,645,346,188,487,163,904
  5. Step 5: Solve for x
    x = 916,645,346,188,487,163,904/30,635,222,942.93
  6. Step 6: Final answer
    x = 29,921,288,573.49

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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.