Home / 15,193,460,415.01-20,967,098,480.37-8,419,392,147.10

Finding the Fourth Proportional to 15,193,460,415.01, 20,967,098,480.37 and 8,419,392,147.10

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Solution

The fourth proportional to 15,193,460,415.01, 20,967,098,480.37 and 8,419,392,147.10 is: 11,618,829,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193,460,415.01 : 20,967,098,480.37 = 8,419,392,147.10 : x
  2. Step 2: Convert to fraction form
    15,193,460,415.01/20,967,098,480.37 = 8,419,392,147.10/x
  3. Step 3: Cross multiply
    15,193,460,415.01x = 20,967,098,480.37 × 8,419,392,147.10
  4. Step 4: Simplify right side
    15,193,460,415.01x = 176,530,224,293,200,166,912
  5. Step 5: Solve for x
    x = 176,530,224,293,200,166,912/15,193,460,415.01
  6. Step 6: Final answer
    x = 11,618,829,382.59

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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.