Home / 47,135,985,272.76-70,717,242,676.50-20,608,831,408.44

Finding the Fourth Proportional to 47,135,985,272.76, 70,717,242,676.50 and 20,608,831,408.44

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Solution

The fourth proportional to 47,135,985,272.76, 70,717,242,676.50 and 20,608,831,408.44 is: 30,919,046,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135,985,272.76 : 70,717,242,676.50 = 20,608,831,408.44 : x
  2. Step 2: Convert to fraction form
    47,135,985,272.76/70,717,242,676.50 = 20,608,831,408.44/x
  3. Step 3: Cross multiply
    47,135,985,272.76x = 70,717,242,676.50 × 20,608,831,408.44
  4. Step 4: Simplify right side
    47,135,985,272.76x = 1,457,399,731,989,726,625,792
  5. Step 5: Solve for x
    x = 1,457,399,731,989,726,625,792/47,135,985,272.76
  6. Step 6: Final answer
    x = 30,919,046,744.36

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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.