Home / 1,985,638,026.40-2,740,147,048-1,093,647,820.08

Finding the Fourth Proportional to 1,985,638,026.40, 2,740,147,048 and 1,093,647,820.08

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Solution

The fourth proportional to 1,985,638,026.40, 2,740,147,048 and 1,093,647,820.08 is: 1,509,215,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,638,026.40 : 2,740,147,048 = 1,093,647,820.08 : x
  2. Step 2: Convert to fraction form
    1,985,638,026.40/2,740,147,048 = 1,093,647,820.08/x
  3. Step 3: Cross multiply
    1,985,638,026.40x = 2,740,147,048 × 1,093,647,820.08
  4. Step 4: Simplify right side
    1,985,638,026.40x = 2,996,755,845,743,846,912
  5. Step 5: Solve for x
    x = 2,996,755,845,743,846,912/1,985,638,026.40
  6. Step 6: Final answer
    x = 1,509,215,580.03

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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.