Finding the Fourth Proportional to 28,301,544,981,288, 42,456,562,206,360 and 9,940,424,350,887.20
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Solution
The fourth proportional to 28,301,544,981,288, 42,456,562,206,360 and 9,940,424,350,887.20 is: 14,912,127,415,308.73
Step by Step Solution
- Step 1: Write the proportion equation
28,301,544,981,288 : 42,456,562,206,360 = 9,940,424,350,887.20 : x - Step 2: Convert to fraction form
28,301,544,981,288/42,456,562,206,360 = 9,940,424,350,887.20/x - Step 3: Cross multiply
28,301,544,981,288x = 42,456,562,206,360 × 9,940,424,350,887.20 - Step 4: Simplify right side
28,301,544,981,288x = 422,036,244,811,058,092,642,926,592 - Step 5: Solve for x
x = 422,036,244,811,058,092,642,926,592/28,301,544,981,288 - Step 6: Final answer
x = 14,912,127,415,308.73
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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.