Finding the Fourth Proportional to 11,221,879,893.58, 15,486,184,145.94 and 6,334,477,354.09
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Solution
The fourth proportional to 11,221,879,893.58, 15,486,184,145.94 and 6,334,477,354.09 is: 8,741,573,043.37
Step by Step Solution
- Step 1: Write the proportion equation
11,221,879,893.58 : 15,486,184,145.94 = 6,334,477,354.09 : x - Step 2: Convert to fraction form
11,221,879,893.58/15,486,184,145.94 = 6,334,477,354.09/x - Step 3: Cross multiply
11,221,879,893.58x = 15,486,184,145.94 × 6,334,477,354.09 - Step 4: Simplify right side
11,221,879,893.58x = 98,096,882,773,647,097,856 - Step 5: Solve for x
x = 98,096,882,773,647,097,856/11,221,879,893.58 - Step 6: Final answer
x = 8,741,573,043.37
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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.