Finding the Fourth Proportional to 315,044,287.20, 471,810,603.60 and 153,297,266.40
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Solution
The fourth proportional to 315,044,287.20, 471,810,603.60 and 153,297,266.40 is: 229,578,121.96
Step by Step Solution
- Step 1: Write the proportion equation
315,044,287.20 : 471,810,603.60 = 153,297,266.40 : x - Step 2: Convert to fraction form
315,044,287.20/471,810,603.60 = 153,297,266.40/x - Step 3: Cross multiply
315,044,287.20x = 471,810,603.60 × 153,297,266.40 - Step 4: Simplify right side
315,044,287.20x = 72,327,275,790,414,000 - Step 5: Solve for x
x = 72,327,275,790,414,000/315,044,287.20 - Step 6: Final answer
x = 229,578,121.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.