Home / 217,512,167,538.07-300,153,266,461.20-119,848,343,112.72

Finding the Fourth Proportional to 217,512,167,538.07, 300,153,266,461.20 and 119,848,343,112.72

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Solution

The fourth proportional to 217,512,167,538.07, 300,153,266,461.20 and 119,848,343,112.72 is: 165,383,261,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,512,167,538.07 : 300,153,266,461.20 = 119,848,343,112.72 : x
  2. Step 2: Convert to fraction form
    217,512,167,538.07/300,153,266,461.20 = 119,848,343,112.72/x
  3. Step 3: Cross multiply
    217,512,167,538.07x = 300,153,266,461.20 × 119,848,343,112.72
  4. Step 4: Simplify right side
    217,512,167,538.07x = 35,972,871,665,245,573,087,232
  5. Step 5: Solve for x
    x = 35,972,871,665,245,573,087,232/217,512,167,538.07
  6. Step 6: Final answer
    x = 165,383,261,416.63

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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.