Finding the Fourth Proportional to 315,044,297.70, 471,810,619.35 and 153,297,276.90
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Solution
The fourth proportional to 315,044,297.70, 471,810,619.35 and 153,297,276.90 is: 229,578,137.70
Step by Step Solution
- Step 1: Write the proportion equation
315,044,297.70 : 471,810,619.35 = 153,297,276.90 : x - Step 2: Convert to fraction form
315,044,297.70/471,810,619.35 = 153,297,276.90/x - Step 3: Cross multiply
315,044,297.70x = 471,810,619.35 × 153,297,276.90 - Step 4: Simplify right side
315,044,297.70x = 72,327,283,158,857,456 - Step 5: Solve for x
x = 72,327,283,158,857,456/315,044,297.70 - Step 6: Final answer
x = 229,578,137.70
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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.