Finding the Fourth Proportional to 12,302,226,072, 16,976,190,618.09 and 7,221,796,291.08
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Solution
The fourth proportional to 12,302,226,072, 16,976,190,618.09 and 7,221,796,291.08 is: 9,965,561,494.71
Step by Step Solution
- Step 1: Write the proportion equation
12,302,226,072 : 16,976,190,618.09 = 7,221,796,291.08 : x - Step 2: Convert to fraction form
12,302,226,072/16,976,190,618.09 = 7,221,796,291.08/x - Step 3: Cross multiply
12,302,226,072x = 16,976,190,618.09 × 7,221,796,291.08 - Step 4: Simplify right side
12,302,226,072x = 122,598,590,442,389,454,848 - Step 5: Solve for x
x = 122,598,590,442,389,454,848/12,302,226,072 - Step 6: Final answer
x = 9,965,561,494.71
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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.