Home / 20,160,982,830.20-30,215,646,212.70-17,939,772,026.60

Finding the Fourth Proportional to 20,160,982,830.20, 30,215,646,212.70 and 17,939,772,026.60

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Solution

The fourth proportional to 20,160,982,830.20, 30,215,646,212.70 and 17,939,772,026.60 is: 26,886,675,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,982,830.20 : 30,215,646,212.70 = 17,939,772,026.60 : x
  2. Step 2: Convert to fraction form
    20,160,982,830.20/30,215,646,212.70 = 17,939,772,026.60/x
  3. Step 3: Cross multiply
    20,160,982,830.20x = 30,215,646,212.70 × 17,939,772,026.60
  4. Step 4: Simplify right side
    20,160,982,830.20x = 542,061,804,692,237,647,872
  5. Step 5: Solve for x
    x = 542,061,804,692,237,647,872/20,160,982,830.20
  6. Step 6: Final answer
    x = 26,886,675,578.15

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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.