Finding the Fourth Proportional to 12,252,845,502.84, 18,384,614,201.16 and 4,290,728,404.80
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Solution
The fourth proportional to 12,252,845,502.84, 18,384,614,201.16 and 4,290,728,404.80 is: 6,437,964,662.65
Step by Step Solution
- Step 1: Write the proportion equation
12,252,845,502.84 : 18,384,614,201.16 = 4,290,728,404.80 : x - Step 2: Convert to fraction form
12,252,845,502.84/18,384,614,201.16 = 4,290,728,404.80/x - Step 3: Cross multiply
12,252,845,502.84x = 18,384,614,201.16 × 4,290,728,404.80 - Step 4: Simplify right side
12,252,845,502.84x = 78,883,386,364,206,678,016 - Step 5: Solve for x
x = 78,883,386,364,206,678,016/12,252,845,502.84 - Step 6: Final answer
x = 6,437,964,662.65
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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.