Home / 21,923,232,939.72-30,254,351,692.32-11,898,847,951.56

Finding the Fourth Proportional to 21,923,232,939.72, 30,254,351,692.32 and 11,898,847,951.56

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Solution

The fourth proportional to 21,923,232,939.72, 30,254,351,692.32 and 11,898,847,951.56 is: 16,420,567,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,232,939.72 : 30,254,351,692.32 = 11,898,847,951.56 : x
  2. Step 2: Convert to fraction form
    21,923,232,939.72/30,254,351,692.32 = 11,898,847,951.56/x
  3. Step 3: Cross multiply
    21,923,232,939.72x = 30,254,351,692.32 × 11,898,847,951.56
  4. Step 4: Simplify right side
    21,923,232,939.72x = 359,991,930,659,937,648,640
  5. Step 5: Solve for x
    x = 359,991,930,659,937,648,640/21,923,232,939.72
  6. Step 6: Final answer
    x = 16,420,567,698.65

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1.5x scale

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.