Finding the Fourth Proportional to 1,170,830,596.96, 1,755,799,475.28 and 394,267,759.84
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Solution
The fourth proportional to 1,170,830,596.96, 1,755,799,475.28 and 394,267,759.84 is: 591,251,311.37
Step by Step Solution
- Step 1: Write the proportion equation
1,170,830,596.96 : 1,755,799,475.28 = 394,267,759.84 : x - Step 2: Convert to fraction form
1,170,830,596.96/1,755,799,475.28 = 394,267,759.84/x - Step 3: Cross multiply
1,170,830,596.96x = 1,755,799,475.28 × 394,267,759.84 - Step 4: Simplify right side
1,170,830,596.96x = 692,255,125,846,893,056 - Step 5: Solve for x
x = 692,255,125,846,893,056/1,170,830,596.96 - Step 6: Final answer
x = 591,251,311.37
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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.