Finding the Fourth Proportional to 218,967,844,561.16, 328,546,154,969.07 and 118,218,708,511.49
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Solution
The fourth proportional to 218,967,844,561.16, 328,546,154,969.07 and 118,218,708,511.49 is: 177,379,022,041.80
Step by Step Solution
- Step 1: Write the proportion equation
218,967,844,561.16 : 328,546,154,969.07 = 118,218,708,511.49 : x - Step 2: Convert to fraction form
218,967,844,561.16/328,546,154,969.07 = 118,218,708,511.49/x - Step 3: Cross multiply
218,967,844,561.16x = 328,546,154,969.07 × 118,218,708,511.49 - Step 4: Simplify right side
218,967,844,561.16x = 38,840,302,126,859,307,450,368 - Step 5: Solve for x
x = 38,840,302,126,859,307,450,368/218,967,844,561.16 - Step 6: Final answer
x = 177,379,022,041.80
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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.