Finding the Fourth Proportional to 1,474,353,142.68, 2,211,537,981.09 and 491,776,984.42
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Solution
The fourth proportional to 1,474,353,142.68, 2,211,537,981.09 and 491,776,984.42 is: 737,668,234.15
Step by Step Solution
- Step 1: Write the proportion equation
1,474,353,142.68 : 2,211,537,981.09 = 491,776,984.42 : x - Step 2: Convert to fraction form
1,474,353,142.68/2,211,537,981.09 = 491,776,984.42/x - Step 3: Cross multiply
1,474,353,142.68x = 2,211,537,981.09 × 491,776,984.42 - Step 4: Simplify right side
1,474,353,142.68x = 1,087,583,479,270,735,360 - Step 5: Solve for x
x = 1,087,583,479,270,735,360/1,474,353,142.68 - Step 6: Final answer
x = 737,668,234.15
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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.