Home / 18,520,393,148.08-25,558,142,507.16-10,491,733,676.19

Finding the Fourth Proportional to 18,520,393,148.08, 25,558,142,507.16 and 10,491,733,676.19

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Solution

The fourth proportional to 18,520,393,148.08, 25,558,142,507.16 and 10,491,733,676.19 is: 14,478,592,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520,393,148.08 : 25,558,142,507.16 = 10,491,733,676.19 : x
  2. Step 2: Convert to fraction form
    18,520,393,148.08/25,558,142,507.16 = 10,491,733,676.19/x
  3. Step 3: Cross multiply
    18,520,393,148.08x = 25,558,142,507.16 × 10,491,733,676.19
  4. Step 4: Simplify right side
    18,520,393,148.08x = 268,149,224,443,089,485,824
  5. Step 5: Solve for x
    x = 268,149,224,443,089,485,824/18,520,393,148.08
  6. Step 6: Final answer
    x = 14,478,592,452.07

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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.