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Finding the Fourth Proportional to 113,891,327,999.70, 170,836,991,999.55 and 113,891,327,999.70

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Solution

The fourth proportional to 113,891,327,999.70, 170,836,991,999.55 and 113,891,327,999.70 is: 170,836,991,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,891,327,999.70 : 170,836,991,999.55 = 113,891,327,999.70 : x
  2. Step 2: Convert to fraction form
    113,891,327,999.70/170,836,991,999.55 = 113,891,327,999.70/x
  3. Step 3: Cross multiply
    113,891,327,999.70x = 170,836,991,999.55 × 113,891,327,999.70
  4. Step 4: Simplify right side
    113,891,327,999.70x = 19,456,851,890,302,871,404,544
  5. Step 5: Solve for x
    x = 19,456,851,890,302,871,404,544/113,891,327,999.70
  6. Step 6: Final answer
    x = 170,836,991,999.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.