Finding the Fourth Proportional to 328,884,261.53, 493,388,611.07 and 132,162,988.70
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Solution
The fourth proportional to 328,884,261.53, 493,388,611.07 and 132,162,988.70 is: 198,269,485.82
Step by Step Solution
- Step 1: Write the proportion equation
328,884,261.53 : 493,388,611.07 = 132,162,988.70 : x - Step 2: Convert to fraction form
328,884,261.53/493,388,611.07 = 132,162,988.70/x - Step 3: Cross multiply
328,884,261.53x = 493,388,611.07 × 132,162,988.70 - Step 4: Simplify right side
328,884,261.53x = 65,207,713,426,425,344 - Step 5: Solve for x
x = 65,207,713,426,425,344/328,884,261.53 - Step 6: Final answer
x = 198,269,485.82
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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.