Home / 38,239,292,310.99-52,770,387,447.42-20,858,581,294.89

Finding the Fourth Proportional to 38,239,292,310.99, 52,770,387,447.42 and 20,858,581,294.89

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Solution

The fourth proportional to 38,239,292,310.99, 52,770,387,447.42 and 20,858,581,294.89 is: 28,784,931,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239,292,310.99 : 52,770,387,447.42 = 20,858,581,294.89 : x
  2. Step 2: Convert to fraction form
    38,239,292,310.99/52,770,387,447.42 = 20,858,581,294.89/x
  3. Step 3: Cross multiply
    38,239,292,310.99x = 52,770,387,447.42 × 20,858,581,294.89
  4. Step 4: Simplify right side
    38,239,292,310.99x = 1,100,715,416,535,063,986,176
  5. Step 5: Solve for x
    x = 1,100,715,416,535,063,986,176/38,239,292,310.99
  6. Step 6: Final answer
    x = 28,784,931,676.65

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Double scale
Find fourth proportional to 38,239,292,311.99, 52,770,387,448.80 and 20,858,581,295.89
Similar ratio
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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.