Finding the Fourth Proportional to 996,455,566.80, 1,494,683,350.20 and 939,059,938.80
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Solution
The fourth proportional to 996,455,566.80, 1,494,683,350.20 and 939,059,938.80 is: 1,408,589,908.20
Step by Step Solution
- Step 1: Write the proportion equation
996,455,566.80 : 1,494,683,350.20 = 939,059,938.80 : x - Step 2: Convert to fraction form
996,455,566.80/1,494,683,350.20 = 939,059,938.80/x - Step 3: Cross multiply
996,455,566.80x = 1,494,683,350.20 × 939,059,938.80 - Step 4: Simplify right side
996,455,566.80x = 1,403,597,255,364,190,976 - Step 5: Solve for x
x = 1,403,597,255,364,190,976/996,455,566.80 - Step 6: Final answer
x = 1,408,589,908.20
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1.5x scale
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.