Home / 38,217,199,847.24-52,739,980,605.60-21,301,919,970.68

Finding the Fourth Proportional to 38,217,199,847.24, 52,739,980,605.60 and 21,301,919,970.68

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Solution

The fourth proportional to 38,217,199,847.24, 52,739,980,605.60 and 21,301,919,970.68 is: 29,396,786,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,217,199,847.24 : 52,739,980,605.60 = 21,301,919,970.68 : x
  2. Step 2: Convert to fraction form
    38,217,199,847.24/52,739,980,605.60 = 21,301,919,970.68/x
  3. Step 3: Cross multiply
    38,217,199,847.24x = 52,739,980,605.60 × 21,301,919,970.68
  4. Step 4: Simplify right side
    38,217,199,847.24x = 1,123,462,846,115,706,568,704
  5. Step 5: Solve for x
    x = 1,123,462,846,115,706,568,704/38,217,199,847.24
  6. Step 6: Final answer
    x = 29,396,786,017.98

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Double scale
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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.