Finding the Fourth Proportional to 476,614,106.57, 657,905,884.17 and 357,879,695.85
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Solution
The fourth proportional to 476,614,106.57, 657,905,884.17 and 357,879,695.85 is: 494,007,949.99
Step by Step Solution
- Step 1: Write the proportion equation
476,614,106.57 : 657,905,884.17 = 357,879,695.85 : x - Step 2: Convert to fraction form
476,614,106.57/657,905,884.17 = 357,879,695.85/x - Step 3: Cross multiply
476,614,106.57x = 657,905,884.17 × 357,879,695.85 - Step 4: Simplify right side
476,614,106.57x = 235,451,157,723,342,880 - Step 5: Solve for x
x = 235,451,157,723,342,880/476,614,106.57 - Step 6: Final answer
x = 494,007,949.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.