Home / 15,193,460,403.50-20,967,098,464.52-8,419,392,135.58

Finding the Fourth Proportional to 15,193,460,403.50, 20,967,098,464.52 and 8,419,392,135.58

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Solution

The fourth proportional to 15,193,460,403.50, 20,967,098,464.52 and 8,419,392,135.58 is: 11,618,829,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193,460,403.50 : 20,967,098,464.52 = 8,419,392,135.58 : x
  2. Step 2: Convert to fraction form
    15,193,460,403.50/20,967,098,464.52 = 8,419,392,135.58/x
  3. Step 3: Cross multiply
    15,193,460,403.50x = 20,967,098,464.52 × 8,419,392,135.58
  4. Step 4: Simplify right side
    15,193,460,403.50x = 176,530,223,918,111,195,136
  5. Step 5: Solve for x
    x = 176,530,223,918,111,195,136/15,193,460,403.50
  6. Step 6: Final answer
    x = 11,618,829,366.71

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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.