Finding the Fourth Proportional to 1,207,922,893.97, 1,811,952,396.20 and 367,592,966.69
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Solution
The fourth proportional to 1,207,922,893.97, 1,811,952,396.20 and 367,592,966.69 is: 551,410,160.48
Step by Step Solution
- Step 1: Write the proportion equation
1,207,922,893.97 : 1,811,952,396.20 = 367,592,966.69 : x - Step 2: Convert to fraction form
1,207,922,893.97/1,811,952,396.20 = 367,592,966.69/x - Step 3: Cross multiply
1,207,922,893.97x = 1,811,952,396.20 × 367,592,966.69 - Step 4: Simplify right side
1,207,922,893.97x = 666,060,956,812,071,552 - Step 5: Solve for x
x = 666,060,956,812,071,552/1,207,922,893.97 - Step 6: Final answer
x = 551,410,160.48
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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.