Finding the Fourth Proportional to 739,995,063,819.68, 1,109,777,259,128.90 and 286,612,846,638.08
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Solution
The fourth proportional to 739,995,063,819.68, 1,109,777,259,128.90 and 286,612,846,638.08 is: 429,835,866,379.03
Step by Step Solution
- Step 1: Write the proportion equation
739,995,063,819.68 : 1,109,777,259,128.90 = 286,612,846,638.08 : x - Step 2: Convert to fraction form
739,995,063,819.68/1,109,777,259,128.90 = 286,612,846,638.08/x - Step 3: Cross multiply
739,995,063,819.68x = 1,109,777,259,128.90 × 286,612,846,638.08 - Step 4: Simplify right side
739,995,063,819.68x = 318,076,419,373,140,159,758,336 - Step 5: Solve for x
x = 318,076,419,373,140,159,758,336/739,995,063,819.68 - Step 6: Final answer
x = 429,835,866,379.03
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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.