Finding the Fourth Proportional to 768,015,356.24, 1,059,864,000.36 and 415,591,350.32
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Solution
The fourth proportional to 768,015,356.24, 1,059,864,000.36 and 415,591,350.32 is: 573,517,583.32
Step by Step Solution
- Step 1: Write the proportion equation
768,015,356.24 : 1,059,864,000.36 = 415,591,350.32 : x - Step 2: Convert to fraction form
768,015,356.24/1,059,864,000.36 = 415,591,350.32/x - Step 3: Cross multiply
768,015,356.24x = 1,059,864,000.36 × 415,591,350.32 - Step 4: Simplify right side
768,015,356.24x = 440,470,311,065,169,344 - Step 5: Solve for x
x = 440,470,311,065,169,344/768,015,356.24 - Step 6: Final answer
x = 573,517,583.32
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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.