Finding the Fourth Proportional to 491,974,912.58, 738,148,750.47 and 295,375,619.21
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Solution
The fourth proportional to 491,974,912.58, 738,148,750.47 and 295,375,619.21 is: 443,175,330.01
Step by Step Solution
- Step 1: Write the proportion equation
491,974,912.58 : 738,148,750.47 = 295,375,619.21 : x - Step 2: Convert to fraction form
491,974,912.58/738,148,750.47 = 295,375,619.21/x - Step 3: Cross multiply
491,974,912.58x = 738,148,750.47 × 295,375,619.21 - Step 4: Simplify right side
491,974,912.58x = 218,031,144,235,473,280 - Step 5: Solve for x
x = 218,031,144,235,473,280/491,974,912.58 - Step 6: Final answer
x = 443,175,330.01
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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.