Finding the Fourth Proportional to 481,198,075.84, 664,035,563.28 and 261,176,777.92
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Solution
The fourth proportional to 481,198,075.84, 664,035,563.28 and 261,176,777.92 is: 360,414,302.45
Step by Step Solution
- Step 1: Write the proportion equation
481,198,075.84 : 664,035,563.28 = 261,176,777.92 : x - Step 2: Convert to fraction form
481,198,075.84/664,035,563.28 = 261,176,777.92/x - Step 3: Cross multiply
481,198,075.84x = 664,035,563.28 × 261,176,777.92 - Step 4: Simplify right side
481,198,075.84x = 173,430,668,841,762,656 - Step 5: Solve for x
x = 173,430,668,841,762,656/481,198,075.84 - Step 6: Final answer
x = 360,414,302.45
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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.