Home / 20,522,389,753.50-28,322,064,868.32-11,490,068,838.27

Finding the Fourth Proportional to 20,522,389,753.50, 28,322,064,868.32 and 11,490,068,838.27

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Solution

The fourth proportional to 20,522,389,753.50, 28,322,064,868.32 and 11,490,068,838.27 is: 15,856,948,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,389,753.50 : 28,322,064,868.32 = 11,490,068,838.27 : x
  2. Step 2: Convert to fraction form
    20,522,389,753.50/28,322,064,868.32 = 11,490,068,838.27/x
  3. Step 3: Cross multiply
    20,522,389,753.50x = 28,322,064,868.32 × 11,490,068,838.27
  4. Step 4: Simplify right side
    20,522,389,753.50x = 325,422,474,978,945,204,224
  5. Step 5: Solve for x
    x = 325,422,474,978,945,204,224/20,522,389,753.50
  6. Step 6: Final answer
    x = 15,856,948,381.14

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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.