Finding the Fourth Proportional to 294,651,692.20, 441,977,538.30 and 229,603,313.80
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Solution
The fourth proportional to 294,651,692.20, 441,977,538.30 and 229,603,313.80 is: 344,404,970.70
Step by Step Solution
- Step 1: Write the proportion equation
294,651,692.20 : 441,977,538.30 = 229,603,313.80 : x - Step 2: Convert to fraction form
294,651,692.20/441,977,538.30 = 229,603,313.80/x - Step 3: Cross multiply
294,651,692.20x = 441,977,538.30 × 229,603,313.80 - Step 4: Simplify right side
294,651,692.20x = 101,479,507,418,846,432 - Step 5: Solve for x
x = 101,479,507,418,846,432/294,651,692.20 - Step 6: Final answer
x = 344,404,970.70
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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.