Finding the Fourth Proportional to 9,049,514,267.36, 12,488,133,609.44 and 5,239,197,770.96
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Solution
The fourth proportional to 9,049,514,267.36, 12,488,133,609.44 and 5,239,197,770.96 is: 7,229,979,404.09
Step by Step Solution
- Step 1: Write the proportion equation
9,049,514,267.36 : 12,488,133,609.44 = 5,239,197,770.96 : x - Step 2: Convert to fraction form
9,049,514,267.36/12,488,133,609.44 = 5,239,197,770.96/x - Step 3: Cross multiply
9,049,514,267.36x = 12,488,133,609.44 × 5,239,197,770.96 - Step 4: Simplify right side
9,049,514,267.36x = 65,427,801,770,028,711,936 - Step 5: Solve for x
x = 65,427,801,770,028,711,936/9,049,514,267.36 - Step 6: Final answer
x = 7,229,979,404.09
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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.