Finding the Fourth Proportional to 9,910,691,796, 13,677,115,566.30 and 5,394,352,716.36
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Solution
The fourth proportional to 9,910,691,796, 13,677,115,566.30 and 5,394,352,716.36 is: 7,444,403,178.48
Step by Step Solution
- Step 1: Write the proportion equation
9,910,691,796 : 13,677,115,566.30 = 5,394,352,716.36 : x - Step 2: Convert to fraction form
9,910,691,796/13,677,115,566.30 = 5,394,352,716.36/x - Step 3: Cross multiply
9,910,691,796x = 13,677,115,566.30 × 5,394,352,716.36 - Step 4: Simplify right side
9,910,691,796x = 73,779,185,507,040,034,816 - Step 5: Solve for x
x = 73,779,185,507,040,034,816/9,910,691,796 - Step 6: Final answer
x = 7,444,403,178.48
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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.