Finding the Fourth Proportional to 511,946,552.96, 706,481,213.41 and 276,992,058.18
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Solution
The fourth proportional to 511,946,552.96, 706,481,213.41 and 276,992,058.18 is: 382,246,318.95
Step by Step Solution
- Step 1: Write the proportion equation
511,946,552.96 : 706,481,213.41 = 276,992,058.18 : x - Step 2: Convert to fraction form
511,946,552.96/706,481,213.41 = 276,992,058.18/x - Step 3: Cross multiply
511,946,552.96x = 706,481,213.41 × 276,992,058.18 - Step 4: Simplify right side
511,946,552.96x = 195,689,685,367,939,712 - Step 5: Solve for x
x = 195,689,685,367,939,712/511,946,552.96 - Step 6: Final answer
x = 382,246,318.95
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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.