Finding the Fourth Proportional to 1,134,718,173.48, 1,565,843,594.22 and 658,371,640.44
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Solution
The fourth proportional to 1,134,718,173.48, 1,565,843,594.22 and 658,371,640.44 is: 908,513,708.42
Step by Step Solution
- Step 1: Write the proportion equation
1,134,718,173.48 : 1,565,843,594.22 = 658,371,640.44 : x - Step 2: Convert to fraction form
1,134,718,173.48/1,565,843,594.22 = 658,371,640.44/x - Step 3: Cross multiply
1,134,718,173.48x = 1,565,843,594.22 × 658,371,640.44 - Step 4: Simplify right side
1,134,718,173.48x = 1,030,907,015,799,087,232 - Step 5: Solve for x
x = 1,030,907,015,799,087,232/1,134,718,173.48 - Step 6: Final answer
x = 908,513,708.42
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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.