Finding the Fourth Proportional to 7,658,970,050.64, 11,491,945,785.54 and 3,930,879,465.75
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Solution
The fourth proportional to 7,658,970,050.64, 11,491,945,785.54 and 3,930,879,465.75 is: 5,898,110,765.70
Step by Step Solution
- Step 1: Write the proportion equation
7,658,970,050.64 : 11,491,945,785.54 = 3,930,879,465.75 : x - Step 2: Convert to fraction form
7,658,970,050.64/11,491,945,785.54 = 3,930,879,465.75/x - Step 3: Cross multiply
7,658,970,050.64x = 11,491,945,785.54 × 3,930,879,465.75 - Step 4: Simplify right side
7,658,970,050.64x = 45,173,453,709,891,444,736 - Step 5: Solve for x
x = 45,173,453,709,891,444,736/7,658,970,050.64 - Step 6: Final answer
x = 5,898,110,765.70
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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.