Finding the Fourth Proportional to 276,823,457.49, 381,836,369.97 and 177,546,957.18
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Solution
The fourth proportional to 276,823,457.49, 381,836,369.97 and 177,546,957.18 is: 244,899,352.98
Step by Step Solution
- Step 1: Write the proportion equation
276,823,457.49 : 381,836,369.97 = 177,546,957.18 : x - Step 2: Convert to fraction form
276,823,457.49/381,836,369.97 = 177,546,957.18/x - Step 3: Cross multiply
276,823,457.49x = 381,836,369.97 × 177,546,957.18 - Step 4: Simplify right side
276,823,457.49x = 67,793,885,628,830,232 - Step 5: Solve for x
x = 67,793,885,628,830,232/276,823,457.49 - Step 6: Final answer
x = 244,899,352.98
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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.