Finding the Fourth Proportional to 1,418,510,522.94, 2,125,920,175.53 and 577,172,782.95
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Solution
The fourth proportional to 1,418,510,522.94, 2,125,920,175.53 and 577,172,782.95 is: 865,008,221.09
Step by Step Solution
- Step 1: Write the proportion equation
1,418,510,522.94 : 2,125,920,175.53 = 577,172,782.95 : x - Step 2: Convert to fraction form
1,418,510,522.94/2,125,920,175.53 = 577,172,782.95/x - Step 3: Cross multiply
1,418,510,522.94x = 2,125,920,175.53 × 577,172,782.95 - Step 4: Simplify right side
1,418,510,522.94x = 1,227,023,264,040,202,752 - Step 5: Solve for x
x = 1,227,023,264,040,202,752/1,418,510,522.94 - Step 6: Final answer
x = 865,008,221.09
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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.