Home / 18,956,319,529.28-26,147,124,908.16-12,190,691,830.24

Finding the Fourth Proportional to 18,956,319,529.28, 26,147,124,908.16 and 12,190,691,830.24

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Solution

The fourth proportional to 18,956,319,529.28, 26,147,124,908.16 and 12,190,691,830.24 is: 16,815,054,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956,319,529.28 : 26,147,124,908.16 = 12,190,691,830.24 : x
  2. Step 2: Convert to fraction form
    18,956,319,529.28/26,147,124,908.16 = 12,190,691,830.24/x
  3. Step 3: Cross multiply
    18,956,319,529.28x = 26,147,124,908.16 × 12,190,691,830.24
  4. Step 4: Simplify right side
    18,956,319,529.28x = 318,751,542,002,170,920,960
  5. Step 5: Solve for x
    x = 318,751,542,002,170,920,960/18,956,319,529.28
  6. Step 6: Final answer
    x = 16,815,054,288.88

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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.