Home / 20,522,389,738.86-28,322,064,848.15-11,490,068,823.66

Finding the Fourth Proportional to 20,522,389,738.86, 28,322,064,848.15 and 11,490,068,823.66

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Solution

The fourth proportional to 20,522,389,738.86, 28,322,064,848.15 and 11,490,068,823.66 is: 15,856,948,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,389,738.86 : 28,322,064,848.15 = 11,490,068,823.66 : x
  2. Step 2: Convert to fraction form
    20,522,389,738.86/28,322,064,848.15 = 11,490,068,823.66/x
  3. Step 3: Cross multiply
    20,522,389,738.86x = 28,322,064,848.15 × 11,490,068,823.66
  4. Step 4: Simplify right side
    20,522,389,738.86x = 325,422,474,333,347,643,392
  5. Step 5: Solve for x
    x = 325,422,474,333,347,643,392/20,522,389,738.86
  6. Step 6: Final answer
    x = 15,856,948,361.00

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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.