Home / 20,324,045,919.15-30,475,601,261.64-9,122,317,131.96

Finding the Fourth Proportional to 20,324,045,919.15, 30,475,601,261.64 and 9,122,317,131.96

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Solution

The fourth proportional to 20,324,045,919.15, 30,475,601,261.64 and 9,122,317,131.96 is: 13,678,777,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324,045,919.15 : 30,475,601,261.64 = 9,122,317,131.96 : x
  2. Step 2: Convert to fraction form
    20,324,045,919.15/30,475,601,261.64 = 9,122,317,131.96/x
  3. Step 3: Cross multiply
    20,324,045,919.15x = 30,475,601,261.64 × 9,122,317,131.96
  4. Step 4: Simplify right side
    20,324,045,919.15x = 278,008,099,495,840,317,440
  5. Step 5: Solve for x
    x = 278,008,099,495,840,317,440/20,324,045,919.15
  6. Step 6: Final answer
    x = 13,678,777,375.42

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1.5x scale

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.