Finding the Fourth Proportional to 299,383,537.30, 449,075,305.95 and 218,761,969.30
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Solution
The fourth proportional to 299,383,537.30, 449,075,305.95 and 218,761,969.30 is: 328,142,953.95
Step by Step Solution
- Step 1: Write the proportion equation
299,383,537.30 : 449,075,305.95 = 218,761,969.30 : x - Step 2: Convert to fraction form
299,383,537.30/449,075,305.95 = 218,761,969.30/x - Step 3: Cross multiply
299,383,537.30x = 449,075,305.95 × 218,761,969.30 - Step 4: Simplify right side
299,383,537.30x = 98,240,598,293,622,016 - Step 5: Solve for x
x = 98,240,598,293,622,016/299,383,537.30 - Step 6: Final answer
x = 328,142,953.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.