Finding the Fourth Proportional to 882,629,431.11, 1,218,028,557.20 and 511,566,696.09
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Solution
The fourth proportional to 882,629,431.11, 1,218,028,557.20 and 511,566,696.09 is: 705,962,007.14
Step by Step Solution
- Step 1: Write the proportion equation
882,629,431.11 : 1,218,028,557.20 = 511,566,696.09 : x - Step 2: Convert to fraction form
882,629,431.11/1,218,028,557.20 = 511,566,696.09/x - Step 3: Cross multiply
882,629,431.11x = 1,218,028,557.20 × 511,566,696.09 - Step 4: Simplify right side
882,629,431.11x = 623,102,844,747,515,648 - Step 5: Solve for x
x = 623,102,844,747,515,648/882,629,431.11 - Step 6: Final answer
x = 705,962,007.14
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Double scale
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1.5x scale
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.