Finding the Fourth Proportional to 6,816,328,394.88, 9,405,816,594.48 and 3,957,911,860.80
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Solution
The fourth proportional to 6,816,328,394.88, 9,405,816,594.48 and 3,957,911,860.80 is: 5,461,502,278.52
Step by Step Solution
- Step 1: Write the proportion equation
6,816,328,394.88 : 9,405,816,594.48 = 3,957,911,860.80 : x - Step 2: Convert to fraction form
6,816,328,394.88/9,405,816,594.48 = 3,957,911,860.80/x - Step 3: Cross multiply
6,816,328,394.88x = 9,405,816,594.48 × 3,957,911,860.80 - Step 4: Simplify right side
6,816,328,394.88x = 37,227,393,059,801,858,048 - Step 5: Solve for x
x = 37,227,393,059,801,858,048/6,816,328,394.88 - Step 6: Final answer
x = 5,461,502,278.52
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1.5x scale
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.