Finding the Fourth Proportional to 2,603,314,517.24, 3,904,540,026.42 and 856,538,553.08
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Solution
The fourth proportional to 2,603,314,517.24, 3,904,540,026.42 and 856,538,553.08 is: 1,284,665,776.08
Step by Step Solution
- Step 1: Write the proportion equation
2,603,314,517.24 : 3,904,540,026.42 = 856,538,553.08 : x - Step 2: Convert to fraction form
2,603,314,517.24/3,904,540,026.42 = 856,538,553.08/x - Step 3: Cross multiply
2,603,314,517.24x = 3,904,540,026.42 × 856,538,553.08 - Step 4: Simplify right side
2,603,314,517.24x = 3,344,389,064,672,732,160 - Step 5: Solve for x
x = 3,344,389,064,672,732,160/2,603,314,517.24 - Step 6: Final answer
x = 1,284,665,776.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.