Home / 217,512,167,748.96-300,153,266,752.52-119,848,343,323.21

Finding the Fourth Proportional to 217,512,167,748.96, 300,153,266,752.52 and 119,848,343,323.21

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Solution

The fourth proportional to 217,512,167,748.96, 300,153,266,752.52 and 119,848,343,323.21 is: 165,383,261,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,512,167,748.96 : 300,153,266,752.52 = 119,848,343,323.21 : x
  2. Step 2: Convert to fraction form
    217,512,167,748.96/300,153,266,752.52 = 119,848,343,323.21/x
  3. Step 3: Cross multiply
    217,512,167,748.96x = 300,153,266,752.52 × 119,848,343,323.21
  4. Step 4: Simplify right side
    217,512,167,748.96x = 35,972,871,763,339,056,775,168
  5. Step 5: Solve for x
    x = 35,972,871,763,339,056,775,168/217,512,167,748.96
  6. Step 6: Final answer
    x = 165,383,261,707.26

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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.