Home / 199,480,802,165.19-299,698,557,893.41-127,910,538,563.94

Finding the Fourth Proportional to 199,480,802,165.19, 299,698,557,893.41 and 127,910,538,563.94

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Solution

The fourth proportional to 199,480,802,165.19, 299,698,557,893.41 and 127,910,538,563.94 is: 192,171,895,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,480,802,165.19 : 299,698,557,893.41 = 127,910,538,563.94 : x
  2. Step 2: Convert to fraction form
    199,480,802,165.19/299,698,557,893.41 = 127,910,538,563.94/x
  3. Step 3: Cross multiply
    199,480,802,165.19x = 299,698,557,893.41 × 127,910,538,563.94
  4. Step 4: Simplify right side
    199,480,802,165.19x = 38,334,603,946,982,218,137,600
  5. Step 5: Solve for x
    x = 38,334,603,946,982,218,137,600/199,480,802,165.19
  6. Step 6: Final answer
    x = 192,171,895,896.21

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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.