Finding the Fourth Proportional to 576,925,649.89, 796,197,802.21 and 326,053,226.99
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Solution
The fourth proportional to 576,925,649.89, 796,197,802.21 and 326,053,226.99 is: 449,976,288.60
Step by Step Solution
- Step 1: Write the proportion equation
576,925,649.89 : 796,197,802.21 = 326,053,226.99 : x - Step 2: Convert to fraction form
576,925,649.89/796,197,802.21 = 326,053,226.99/x - Step 3: Cross multiply
576,925,649.89x = 796,197,802.21 × 326,053,226.99 - Step 4: Simplify right side
576,925,649.89x = 259,602,862,732,916,288 - Step 5: Solve for x
x = 259,602,862,732,916,288/576,925,649.89 - Step 6: Final answer
x = 449,976,288.60
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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.