Finding the Fourth Proportional to 19,167,129,192, 28,751,279,498.64 and 6,575,811,013.92
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Solution
The fourth proportional to 19,167,129,192, 28,751,279,498.64 and 6,575,811,013.92 is: 9,863,917,465.03
Step by Step Solution
- Step 1: Write the proportion equation
19,167,129,192 : 28,751,279,498.64 = 6,575,811,013.92 : x - Step 2: Convert to fraction form
19,167,129,192/28,751,279,498.64 = 6,575,811,013.92/x - Step 3: Cross multiply
19,167,129,192x = 28,751,279,498.64 × 6,575,811,013.92 - Step 4: Simplify right side
19,167,129,192x = 189,062,980,391,449,198,592 - Step 5: Solve for x
x = 189,062,980,391,449,198,592/19,167,129,192 - Step 6: Final answer
x = 9,863,917,465.03
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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.