Finding the Fourth Proportional to 371,586,102.72, 512,803,597.20 and 204,336,075.98
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Solution
The fourth proportional to 371,586,102.72, 512,803,597.20 and 204,336,075.98 is: 281,991,909.91
Step by Step Solution
- Step 1: Write the proportion equation
371,586,102.72 : 512,803,597.20 = 204,336,075.98 : x - Step 2: Convert to fraction form
371,586,102.72/512,803,597.20 = 204,336,075.98/x - Step 3: Cross multiply
371,586,102.72x = 512,803,597.20 × 204,336,075.98 - Step 4: Simplify right side
371,586,102.72x = 104,784,274,800,276,512 - Step 5: Solve for x
x = 104,784,274,800,276,512/371,586,102.72 - Step 6: Final answer
x = 281,991,909.91
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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.