Home / 305,859,141,958.38-422,086,034,496.91-166,810,759,856.08

Finding the Fourth Proportional to 305,859,141,958.38, 422,086,034,496.91 and 166,810,759,856.08

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Solution

The fourth proportional to 305,859,141,958.38, 422,086,034,496.91 and 166,810,759,856.08 is: 230,199,076,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,859,141,958.38 : 422,086,034,496.91 = 166,810,759,856.08 : x
  2. Step 2: Convert to fraction form
    305,859,141,958.38/422,086,034,496.91 = 166,810,759,856.08/x
  3. Step 3: Cross multiply
    305,859,141,958.38x = 422,086,034,496.91 × 166,810,759,856.08
  4. Step 4: Simplify right side
    305,859,141,958.38x = 70,408,492,139,069,143,252,992
  5. Step 5: Solve for x
    x = 70,408,492,139,069,143,252,992/305,859,141,958.38
  6. Step 6: Final answer
    x = 230,199,076,896.16

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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.