Home / 20,424,284,741.28-30,593,523,327.60-12,959,024,872.56

Finding the Fourth Proportional to 20,424,284,741.28, 30,593,523,327.60 and 12,959,024,872.56

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Solution

The fourth proportional to 20,424,284,741.28, 30,593,523,327.60 and 12,959,024,872.56 is: 19,411,315,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424,284,741.28 : 30,593,523,327.60 = 12,959,024,872.56 : x
  2. Step 2: Convert to fraction form
    20,424,284,741.28/30,593,523,327.60 = 12,959,024,872.56/x
  3. Step 3: Cross multiply
    20,424,284,741.28x = 30,593,523,327.60 × 12,959,024,872.56
  4. Step 4: Simplify right side
    20,424,284,741.28x = 396,462,229,741,612,957,696
  5. Step 5: Solve for x
    x = 396,462,229,741,612,957,696/20,424,284,741.28
  6. Step 6: Final answer
    x = 19,411,315,243.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.