Home / 1,991,693,244.78-2,748,540,548.23-1,099,621,696.59

Finding the Fourth Proportional to 1,991,693,244.78, 2,748,540,548.23 and 1,099,621,696.59

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Solution

The fourth proportional to 1,991,693,244.78, 2,748,540,548.23 and 1,099,621,696.59 is: 1,517,480,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,693,244.78 : 2,748,540,548.23 = 1,099,621,696.59 : x
  2. Step 2: Convert to fraction form
    1,991,693,244.78/2,748,540,548.23 = 1,099,621,696.59/x
  3. Step 3: Cross multiply
    1,991,693,244.78x = 2,748,540,548.23 × 1,099,621,696.59
  4. Step 4: Simplify right side
    1,991,693,244.78x = 3,022,354,820,788,332,032
  5. Step 5: Solve for x
    x = 3,022,354,820,788,332,032/1,991,693,244.78
  6. Step 6: Final answer
    x = 1,517,480,078.17

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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.