Finding the Fourth Proportional to 850,978,854.99, 1,273,850,232.48 and 555,237,170.28
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Solution
The fourth proportional to 850,978,854.99, 1,273,850,232.48 and 555,237,170.28 is: 831,147,559.42
Step by Step Solution
- Step 1: Write the proportion equation
850,978,854.99 : 1,273,850,232.48 = 555,237,170.28 : x - Step 2: Convert to fraction form
850,978,854.99/1,273,850,232.48 = 555,237,170.28/x - Step 3: Cross multiply
850,978,854.99x = 1,273,850,232.48 × 555,237,170.28 - Step 4: Simplify right side
850,978,854.99x = 707,288,998,442,715,264 - Step 5: Solve for x
x = 707,288,998,442,715,264/850,978,854.99 - Step 6: Final answer
x = 831,147,559.42
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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.