Finding the Fourth Proportional to 628,511,662.08, 867,373,125.16 and 350,053,309.44
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Solution
The fourth proportional to 628,511,662.08, 867,373,125.16 and 350,053,309.44 is: 483,088,622.38
Step by Step Solution
- Step 1: Write the proportion equation
628,511,662.08 : 867,373,125.16 = 350,053,309.44 : x - Step 2: Convert to fraction form
628,511,662.08/867,373,125.16 = 350,053,309.44/x - Step 3: Cross multiply
628,511,662.08x = 867,373,125.16 × 350,053,309.44 - Step 4: Simplify right side
628,511,662.08x = 303,626,832,981,573,312 - Step 5: Solve for x
x = 303,626,832,981,573,312/628,511,662.08 - Step 6: Final answer
x = 483,088,622.38
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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.