Home / 12,339,892,859.68-18,504,004,229.88-4,780,218,149.20

Finding the Fourth Proportional to 12,339,892,859.68, 18,504,004,229.88 and 4,780,218,149.20

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Solution

The fourth proportional to 12,339,892,859.68, 18,504,004,229.88 and 4,780,218,149.20 is: 7,168,066,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339,892,859.68 : 18,504,004,229.88 = 4,780,218,149.20 : x
  2. Step 2: Convert to fraction form
    12,339,892,859.68/18,504,004,229.88 = 4,780,218,149.20/x
  3. Step 3: Cross multiply
    12,339,892,859.68x = 18,504,004,229.88 × 4,780,218,149.20
  4. Step 4: Simplify right side
    12,339,892,859.68x = 88,453,176,852,545,945,600
  5. Step 5: Solve for x
    x = 88,453,176,852,545,945,600/12,339,892,859.68
  6. Step 6: Final answer
    x = 7,168,066,842.91

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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.