Finding the Fourth Proportional to 628,511,687.08, 867,373,159.62 and 350,053,334.44
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Solution
The fourth proportional to 628,511,687.08, 867,373,159.62 and 350,053,334.44 is: 483,088,656.85
Step by Step Solution
- Step 1: Write the proportion equation
628,511,687.08 : 867,373,159.62 = 350,053,334.44 : x - Step 2: Convert to fraction form
628,511,687.08/867,373,159.62 = 350,053,334.44/x - Step 3: Cross multiply
628,511,687.08x = 867,373,159.62 × 350,053,334.44 - Step 4: Simplify right side
628,511,687.08x = 303,626,866,728,739,392 - Step 5: Solve for x
x = 303,626,866,728,739,392/628,511,687.08 - Step 6: Final answer
x = 483,088,656.85
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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.