Finding the Fourth Proportional to 314,571,861.70, 471,857,792.55 and 192,127,855.30
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Solution
The fourth proportional to 314,571,861.70, 471,857,792.55 and 192,127,855.30 is: 288,191,782.95
Step by Step Solution
- Step 1: Write the proportion equation
314,571,861.70 : 471,857,792.55 = 192,127,855.30 : x - Step 2: Convert to fraction form
314,571,861.70/471,857,792.55 = 192,127,855.30/x - Step 3: Cross multiply
314,571,861.70x = 471,857,792.55 × 192,127,855.30 - Step 4: Simplify right side
314,571,861.70x = 90,657,025,689,223,824 - Step 5: Solve for x
x = 90,657,025,689,223,824/314,571,861.70 - Step 6: Final answer
x = 288,191,782.95
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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.