Finding the Fourth Proportional to 5,412,478,362.09, 7,469,236,228.21 and 3,001,330,716.36
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Solution
The fourth proportional to 5,412,478,362.09, 7,469,236,228.21 and 3,001,330,716.36 is: 4,141,845,309.99
Step by Step Solution
- Step 1: Write the proportion equation
5,412,478,362.09 : 7,469,236,228.21 = 3,001,330,716.36 : x - Step 2: Convert to fraction form
5,412,478,362.09/7,469,236,228.21 = 3,001,330,716.36/x - Step 3: Cross multiply
5,412,478,362.09x = 7,469,236,228.21 × 3,001,330,716.36 - Step 4: Simplify right side
5,412,478,362.09x = 22,417,648,119,459,205,120 - Step 5: Solve for x
x = 22,417,648,119,459,205,120/5,412,478,362.09 - Step 6: Final answer
x = 4,141,845,309.99
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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.