Finding the Fourth Proportional to 1,633,586,895.84, 2,255,182,110 and 1,261,473,569.76
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Solution
The fourth proportional to 1,633,586,895.84, 2,255,182,110 and 1,261,473,569.76 is: 1,741,476,155.33
Step by Step Solution
- Step 1: Write the proportion equation
1,633,586,895.84 : 2,255,182,110 = 1,261,473,569.76 : x - Step 2: Convert to fraction form
1,633,586,895.84/2,255,182,110 = 1,261,473,569.76/x - Step 3: Cross multiply
1,633,586,895.84x = 2,255,182,110 × 1,261,473,569.76 - Step 4: Simplify right side
1,633,586,895.84x = 2,844,852,626,760,588,800 - Step 5: Solve for x
x = 2,844,852,626,760,588,800/1,633,586,895.84 - Step 6: Final answer
x = 1,741,476,155.33
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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.