Finding the Fourth Proportional to 511,946,570.40, 706,481,237.48 and 276,992,075.62
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Solution
The fourth proportional to 511,946,570.40, 706,481,237.48 and 276,992,075.62 is: 382,246,343.02
Step by Step Solution
- Step 1: Write the proportion equation
511,946,570.40 : 706,481,237.48 = 276,992,075.62 : x - Step 2: Convert to fraction form
511,946,570.40/706,481,237.48 = 276,992,075.62/x - Step 3: Cross multiply
511,946,570.40x = 706,481,237.48 × 276,992,075.62 - Step 4: Simplify right side
511,946,570.40x = 195,689,704,356,171,360 - Step 5: Solve for x
x = 195,689,704,356,171,360/511,946,570.40 - Step 6: Final answer
x = 382,246,343.02
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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.