Finding the Fourth Proportional to 1,568,190,418.06, 2,164,024,934.18 and 863,327,265.84
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Solution
The fourth proportional to 1,568,190,418.06, 2,164,024,934.18 and 863,327,265.84 is: 1,191,348,772.52
Step by Step Solution
- Step 1: Write the proportion equation
1,568,190,418.06 : 2,164,024,934.18 = 863,327,265.84 : x - Step 2: Convert to fraction form
1,568,190,418.06/2,164,024,934.18 = 863,327,265.84/x - Step 3: Cross multiply
1,568,190,418.06x = 2,164,024,934.18 × 863,327,265.84 - Step 4: Simplify right side
1,568,190,418.06x = 1,868,261,729,635,205,376 - Step 5: Solve for x
x = 1,868,261,729,635,205,376/1,568,190,418.06 - Step 6: Final answer
x = 1,191,348,772.52
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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.