Finding the Fourth Proportional to 873,319,147,738.29, 1,205,242,788,166.60 and 482,677,307,859.15
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Solution
The fourth proportional to 873,319,147,738.29, 1,205,242,788,166.60 and 482,677,307,859.15 is: 666,129,153,145.79
Step by Step Solution
- Step 1: Write the proportion equation
873,319,147,738.29 : 1,205,242,788,166.60 = 482,677,307,859.15 : x - Step 2: Convert to fraction form
873,319,147,738.29/1,205,242,788,166.60 = 482,677,307,859.15/x - Step 3: Cross multiply
873,319,147,738.29x = 1,205,242,788,166.60 × 482,677,307,859.15 - Step 4: Simplify right side
873,319,147,738.29x = 581,743,344,308,910,370,586,624 - Step 5: Solve for x
x = 581,743,344,308,910,370,586,624/873,319,147,738.29 - Step 6: Final answer
x = 666,129,153,145.79
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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.