Home / 21,610,436,646.66-29,823,334,609.68-11,965,166,538.72

Finding the Fourth Proportional to 21,610,436,646.66, 29,823,334,609.68 and 11,965,166,538.72

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Solution

The fourth proportional to 21,610,436,646.66, 29,823,334,609.68 and 11,965,166,538.72 is: 16,512,445,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610,436,646.66 : 29,823,334,609.68 = 11,965,166,538.72 : x
  2. Step 2: Convert to fraction form
    21,610,436,646.66/29,823,334,609.68 = 11,965,166,538.72/x
  3. Step 3: Cross multiply
    21,610,436,646.66x = 29,823,334,609.68 × 11,965,166,538.72
  4. Step 4: Simplify right side
    21,610,436,646.66x = 356,841,165,344,793,231,360
  5. Step 5: Solve for x
    x = 356,841,165,344,793,231,360/21,610,436,646.66
  6. Step 6: Final answer
    x = 16,512,445,869.53

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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.