Finding the Fourth Proportional to 299,383,485.30, 449,075,227.95 and 276,988,605.30
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Solution
The fourth proportional to 299,383,485.30, 449,075,227.95 and 276,988,605.30 is: 415,482,907.95
Step by Step Solution
- Step 1: Write the proportion equation
299,383,485.30 : 449,075,227.95 = 276,988,605.30 : x - Step 2: Convert to fraction form
299,383,485.30/449,075,227.95 = 276,988,605.30/x - Step 3: Cross multiply
299,383,485.30x = 449,075,227.95 × 276,988,605.30 - Step 4: Simplify right side
299,383,485.30x = 124,388,721,064,650,080 - Step 5: Solve for x
x = 124,388,721,064,650,080/299,383,485.30 - Step 6: Final answer
x = 415,482,907.95
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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.