Home / 15,193,460,410.52-20,967,098,474.16-8,419,392,142.61

Finding the Fourth Proportional to 15,193,460,410.52, 20,967,098,474.16 and 8,419,392,142.61

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Solution

The fourth proportional to 15,193,460,410.52, 20,967,098,474.16 and 8,419,392,142.61 is: 11,618,829,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193,460,410.52 : 20,967,098,474.16 = 8,419,392,142.61 : x
  2. Step 2: Convert to fraction form
    15,193,460,410.52/20,967,098,474.16 = 8,419,392,142.61/x
  3. Step 3: Cross multiply
    15,193,460,410.52x = 20,967,098,474.16 × 8,419,392,142.61
  4. Step 4: Simplify right side
    15,193,460,410.52x = 176,530,224,146,567,987,200
  5. Step 5: Solve for x
    x = 176,530,224,146,567,987,200/15,193,460,410.52
  6. Step 6: Final answer
    x = 11,618,829,376.38

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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.