Home / 47,135,985,415.32-70,717,242,890.58-20,608,831,551

Finding the Fourth Proportional to 47,135,985,415.32, 70,717,242,890.58 and 20,608,831,551

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Solution

The fourth proportional to 47,135,985,415.32, 70,717,242,890.58 and 20,608,831,551 is: 30,919,046,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135,985,415.32 : 70,717,242,890.58 = 20,608,831,551 : x
  2. Step 2: Convert to fraction form
    47,135,985,415.32/70,717,242,890.58 = 20,608,831,551/x
  3. Step 3: Cross multiply
    47,135,985,415.32x = 70,717,242,890.58 × 20,608,831,551
  4. Step 4: Simplify right side
    47,135,985,415.32x = 1,457,399,746,483,115,524,096
  5. Step 5: Solve for x
    x = 1,457,399,746,483,115,524,096/47,135,985,415.32
  6. Step 6: Final answer
    x = 30,919,046,958.32

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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.