Finding the Fourth Proportional to 394,815,786,752.93, 544,845,785,719.02 and 225,843,057,920.91
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Solution
The fourth proportional to 394,815,786,752.93, 544,845,785,719.02 and 225,843,057,920.91 is: 311,663,419,930.84
Step by Step Solution
- Step 1: Write the proportion equation
394,815,786,752.93 : 544,845,785,719.02 = 225,843,057,920.91 : x - Step 2: Convert to fraction form
394,815,786,752.93/544,845,785,719.02 = 225,843,057,920.91/x - Step 3: Cross multiply
394,815,786,752.93x = 544,845,785,719.02 × 225,843,057,920.91 - Step 4: Simplify right side
394,815,786,752.93x = 123,049,638,342,104,350,457,856 - Step 5: Solve for x
x = 123,049,638,342,104,350,457,856/394,815,786,752.93 - Step 6: Final answer
x = 311,663,419,930.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.