Finding the Fourth Proportional to 352,203,379.66, 486,085,504.14 and 212,975,137.87
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Solution
The fourth proportional to 352,203,379.66, 486,085,504.14 and 212,975,137.87 is: 293,932,804.85
Step by Step Solution
- Step 1: Write the proportion equation
352,203,379.66 : 486,085,504.14 = 212,975,137.87 : x - Step 2: Convert to fraction form
352,203,379.66/486,085,504.14 = 212,975,137.87/x - Step 3: Cross multiply
352,203,379.66x = 486,085,504.14 × 212,975,137.87 - Step 4: Simplify right side
352,203,379.66x = 103,524,127,258,394,528 - Step 5: Solve for x
x = 103,524,127,258,394,528/352,203,379.66 - Step 6: Final answer
x = 293,932,804.85
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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.