Finding the Fourth Proportional to 511,362,393.42, 705,679,798.83 and 276,413,057.53
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Solution
The fourth proportional to 511,362,393.42, 705,679,798.83 and 276,413,057.53 is: 381,449,855.02
Step by Step Solution
- Step 1: Write the proportion equation
511,362,393.42 : 705,679,798.83 = 276,413,057.53 : x - Step 2: Convert to fraction form
511,362,393.42/705,679,798.83 = 276,413,057.53/x - Step 3: Cross multiply
511,362,393.42x = 705,679,798.83 × 276,413,057.53 - Step 4: Simplify right side
511,362,393.42x = 195,059,110,831,755,616 - Step 5: Solve for x
x = 195,059,110,831,755,616/511,362,393.42 - Step 6: Final answer
x = 381,449,855.02
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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.