Finding the Fourth Proportional to 6,983,471,945.33, 9,649,797,502.37 and 4,972,816,359.08
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Solution
The fourth proportional to 6,983,471,945.33, 9,649,797,502.37 and 4,972,816,359.08 is: 6,871,463,257.43
Step by Step Solution
- Step 1: Write the proportion equation
6,983,471,945.33 : 9,649,797,502.37 = 4,972,816,359.08 : x - Step 2: Convert to fraction form
6,983,471,945.33/9,649,797,502.37 = 4,972,816,359.08/x - Step 3: Cross multiply
6,983,471,945.33x = 9,649,797,502.37 × 4,972,816,359.08 - Step 4: Simplify right side
6,983,471,945.33x = 47,986,670,881,625,219,072 - Step 5: Solve for x
x = 47,986,670,881,625,219,072/6,983,471,945.33 - Step 6: Final answer
x = 6,871,463,257.43
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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.