Finding the Fourth Proportional to 326,624,692.01, 450,439,306.49 and 238,378,911.53
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Solution
The fourth proportional to 326,624,692.01, 450,439,306.49 and 238,378,911.53 is: 328,741,929.86
Step by Step Solution
- Step 1: Write the proportion equation
326,624,692.01 : 450,439,306.49 = 238,378,911.53 : x - Step 2: Convert to fraction form
326,624,692.01/450,439,306.49 = 238,378,911.53/x - Step 3: Cross multiply
326,624,692.01x = 450,439,306.49 × 238,378,911.53 - Step 4: Simplify right side
326,624,692.01x = 107,375,231,589,758,016 - Step 5: Solve for x
x = 107,375,231,589,758,016/326,624,692.01 - Step 6: Final answer
x = 328,741,929.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.