Finding the Fourth Proportional to 7,144,650,849.12, 9,860,852,277.26 and 4,135,562,674.61
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Solution
The fourth proportional to 7,144,650,849.12, 9,860,852,277.26 and 4,135,562,674.61 is: 5,707,790,832.44
Step by Step Solution
- Step 1: Write the proportion equation
7,144,650,849.12 : 9,860,852,277.26 = 4,135,562,674.61 : x - Step 2: Convert to fraction form
7,144,650,849.12/9,860,852,277.26 = 4,135,562,674.61/x - Step 3: Cross multiply
7,144,650,849.12x = 9,860,852,277.26 × 4,135,562,674.61 - Step 4: Simplify right side
7,144,650,849.12x = 40,780,172,617,609,486,336 - Step 5: Solve for x
x = 40,780,172,617,609,486,336/7,144,650,849.12 - Step 6: Final answer
x = 5,707,790,832.44
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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.