Home / 19,795,194,546.47-27,318,349,939.38-12,279,237,059.88

Finding the Fourth Proportional to 19,795,194,546.47, 27,318,349,939.38 and 12,279,237,059.88

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Solution

The fourth proportional to 19,795,194,546.47, 27,318,349,939.38 and 12,279,237,059.88 is: 16,945,955,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795,194,546.47 : 27,318,349,939.38 = 12,279,237,059.88 : x
  2. Step 2: Convert to fraction form
    19,795,194,546.47/27,318,349,939.38 = 12,279,237,059.88/x
  3. Step 3: Cross multiply
    19,795,194,546.47x = 27,318,349,939.38 × 12,279,237,059.88
  4. Step 4: Simplify right side
    19,795,194,546.47x = 335,448,494,990,293,401,600
  5. Step 5: Solve for x
    x = 335,448,494,990,293,401,600/19,795,194,546.47
  6. Step 6: Final answer
    x = 16,945,955,959.30

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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.