Home / 316,723,112,870.70-437,093,599,205.40-196,467,793,085.11

Finding the Fourth Proportional to 316,723,112,870.70, 437,093,599,205.40 and 196,467,793,085.11

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Solution

The fourth proportional to 316,723,112,870.70, 437,093,599,205.40 and 196,467,793,085.11 is: 271,135,295,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,723,112,870.70 : 437,093,599,205.40 = 196,467,793,085.11 : x
  2. Step 2: Convert to fraction form
    316,723,112,870.70/437,093,599,205.40 = 196,467,793,085.11/x
  3. Step 3: Cross multiply
    316,723,112,870.70x = 437,093,599,205.40 × 196,467,793,085.11
  4. Step 4: Simplify right side
    316,723,112,870.70x = 85,874,814,807,512,526,618,624
  5. Step 5: Solve for x
    x = 85,874,814,807,512,526,618,624/316,723,112,870.70
  6. Step 6: Final answer
    x = 271,135,295,524.11

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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.