Home / 21,134,183,530.56-29,165,192,033.76-11,618,897,170.56

Finding the Fourth Proportional to 21,134,183,530.56, 29,165,192,033.76 and 11,618,897,170.56

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Solution

The fourth proportional to 21,134,183,530.56, 29,165,192,033.76 and 11,618,897,170.56 is: 16,034,088,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134,183,530.56 : 29,165,192,033.76 = 11,618,897,170.56 : x
  2. Step 2: Convert to fraction form
    21,134,183,530.56/29,165,192,033.76 = 11,618,897,170.56/x
  3. Step 3: Cross multiply
    21,134,183,530.56x = 29,165,192,033.76 × 11,618,897,170.56
  4. Step 4: Simplify right side
    21,134,183,530.56x = 338,867,367,199,893,094,400
  5. Step 5: Solve for x
    x = 338,867,367,199,893,094,400/21,134,183,530.56
  6. Step 6: Final answer
    x = 16,034,088,409.89

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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.