Home / 30,635,222,943.93-45,858,584,735.79-19,988,522,357.28

Finding the Fourth Proportional to 30,635,222,943.93, 45,858,584,735.79 and 19,988,522,357.28

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Solution

The fourth proportional to 30,635,222,943.93, 45,858,584,735.79 and 19,988,522,357.28 is: 29,921,288,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635,222,943.93 : 45,858,584,735.79 = 19,988,522,357.28 : x
  2. Step 2: Convert to fraction form
    30,635,222,943.93/45,858,584,735.79 = 19,988,522,357.28/x
  3. Step 3: Cross multiply
    30,635,222,943.93x = 45,858,584,735.79 × 19,988,522,357.28
  4. Step 4: Simplify right side
    30,635,222,943.93x = 916,645,346,264,557,682,688
  5. Step 5: Solve for x
    x = 916,645,346,264,557,682,688/30,635,222,943.93
  6. Step 6: Final answer
    x = 29,921,288,574.99

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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.