Finding the Fourth Proportional to 1,711,987,852.19, 2,362,543,578.65 and 1,042,932,862.13
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Solution
The fourth proportional to 1,711,987,852.19, 2,362,543,578.65 and 1,042,932,862.13 is: 1,439,247,558.46
Step by Step Solution
- Step 1: Write the proportion equation
1,711,987,852.19 : 2,362,543,578.65 = 1,042,932,862.13 : x - Step 2: Convert to fraction form
1,711,987,852.19/2,362,543,578.65 = 1,042,932,862.13/x - Step 3: Cross multiply
1,711,987,852.19x = 2,362,543,578.65 × 1,042,932,862.13 - Step 4: Simplify right side
1,711,987,852.19x = 2,463,974,336,383,082,496 - Step 5: Solve for x
x = 2,463,974,336,383,082,496/1,711,987,852.19 - Step 6: Final answer
x = 1,439,247,558.46
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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.