Finding the Fourth Proportional to 1,512,423,060.63, 2,087,180,729.29 and 843,361,575.49
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Solution
The fourth proportional to 1,512,423,060.63, 2,087,180,729.29 and 843,361,575.49 is: 1,163,859,553.59
Step by Step Solution
- Step 1: Write the proportion equation
1,512,423,060.63 : 2,087,180,729.29 = 843,361,575.49 : x - Step 2: Convert to fraction form
1,512,423,060.63/2,087,180,729.29 = 843,361,575.49/x - Step 3: Cross multiply
1,512,423,060.63x = 2,087,180,729.29 × 843,361,575.49 - Step 4: Simplify right side
1,512,423,060.63x = 1,760,248,028,186,381,568 - Step 5: Solve for x
x = 1,760,248,028,186,381,568/1,512,423,060.63 - Step 6: Final answer
x = 1,163,859,553.59
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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.