Finding the Fourth Proportional to 7,103,666,796.33, 9,802,389,602.99 and 4,245,239,934.69
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Solution
The fourth proportional to 7,103,666,796.33, 9,802,389,602.99 and 4,245,239,934.69 is: 5,858,030,365.32
Step by Step Solution
- Step 1: Write the proportion equation
7,103,666,796.33 : 9,802,389,602.99 = 4,245,239,934.69 : x - Step 2: Convert to fraction form
7,103,666,796.33/9,802,389,602.99 = 4,245,239,934.69/x - Step 3: Cross multiply
7,103,666,796.33x = 9,802,389,602.99 × 4,245,239,934.69 - Step 4: Simplify right side
7,103,666,796.33x = 41,613,495,797,981,978,624 - Step 5: Solve for x
x = 41,613,495,797,981,978,624/7,103,666,796.33 - Step 6: Final answer
x = 5,858,030,365.32
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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.