Finding the Fourth Proportional to 804,816,056.70, 1,207,112,110.65 and 259,612,703.10
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Solution
The fourth proportional to 804,816,056.70, 1,207,112,110.65 and 259,612,703.10 is: 389,382,934.62
Step by Step Solution
- Step 1: Write the proportion equation
804,816,056.70 : 1,207,112,110.65 = 259,612,703.10 : x - Step 2: Convert to fraction form
804,816,056.70/1,207,112,110.65 = 259,612,703.10/x - Step 3: Cross multiply
804,816,056.70x = 1,207,112,110.65 × 259,612,703.10 - Step 4: Simplify right side
804,816,056.70x = 313,381,637,990,592,832 - Step 5: Solve for x
x = 313,381,637,990,592,832/804,816,056.70 - Step 6: Final answer
x = 389,382,934.62
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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.