Home / 117,147,504,774.82-161,650,630,629.05-65,695,476,460.74

Finding the Fourth Proportional to 117,147,504,774.82, 161,650,630,629.05 and 65,695,476,460.74

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Solution

The fourth proportional to 117,147,504,774.82, 161,650,630,629.05 and 65,695,476,460.74 is: 90,652,508,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,147,504,774.82 : 161,650,630,629.05 = 65,695,476,460.74 : x
  2. Step 2: Convert to fraction form
    117,147,504,774.82/161,650,630,629.05 = 65,695,476,460.74/x
  3. Step 3: Cross multiply
    117,147,504,774.82x = 161,650,630,629.05 × 65,695,476,460.74
  4. Step 4: Simplify right side
    117,147,504,774.82x = 10,619,715,199,354,529,644,544
  5. Step 5: Solve for x
    x = 10,619,715,199,354,529,644,544/117,147,504,774.82
  6. Step 6: Final answer
    x = 90,652,508,730.49

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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.