Finding the Fourth Proportional to 6,600,703,670.70, 9,901,055,506.05 and 3,979,158,361.80
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Solution
The fourth proportional to 6,600,703,670.70, 9,901,055,506.05 and 3,979,158,361.80 is: 5,968,737,542.70
Step by Step Solution
- Step 1: Write the proportion equation
6,600,703,670.70 : 9,901,055,506.05 = 3,979,158,361.80 : x - Step 2: Convert to fraction form
6,600,703,670.70/9,901,055,506.05 = 3,979,158,361.80/x - Step 3: Cross multiply
6,600,703,670.70x = 9,901,055,506.05 × 3,979,158,361.80 - Step 4: Simplify right side
6,600,703,670.70x = 39,397,867,807,544,786,944 - Step 5: Solve for x
x = 39,397,867,807,544,786,944/6,600,703,670.70 - Step 6: Final answer
x = 5,968,737,542.70
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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.