Home / 38,217,199,845.24-52,739,980,602.84-21,301,919,968.68

Finding the Fourth Proportional to 38,217,199,845.24, 52,739,980,602.84 and 21,301,919,968.68

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Solution

The fourth proportional to 38,217,199,845.24, 52,739,980,602.84 and 21,301,919,968.68 is: 29,396,786,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,217,199,845.24 : 52,739,980,602.84 = 21,301,919,968.68 : x
  2. Step 2: Convert to fraction form
    38,217,199,845.24/52,739,980,602.84 = 21,301,919,968.68/x
  3. Step 3: Cross multiply
    38,217,199,845.24x = 52,739,980,602.84 × 21,301,919,968.68
  4. Step 4: Simplify right side
    38,217,199,845.24x = 1,123,462,845,951,433,244,672
  5. Step 5: Solve for x
    x = 1,123,462,845,951,433,244,672/38,217,199,845.24
  6. Step 6: Final answer
    x = 29,396,786,015.22

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Double scale
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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.