Finding the Fourth Proportional to 737,757,107.42, 1,105,954,651.19 and 368,971,148.75
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Solution
The fourth proportional to 737,757,107.42, 1,105,954,651.19 and 368,971,148.75 is: 553,116,132.68
Step by Step Solution
- Step 1: Write the proportion equation
737,757,107.42 : 1,105,954,651.19 = 368,971,148.75 : x - Step 2: Convert to fraction form
737,757,107.42/1,105,954,651.19 = 368,971,148.75/x - Step 3: Cross multiply
737,757,107.42x = 1,105,954,651.19 × 368,971,148.75 - Step 4: Simplify right side
737,757,107.42x = 408,065,358,107,605,184 - Step 5: Solve for x
x = 408,065,358,107,605,184/737,757,107.42 - Step 6: Final answer
x = 553,116,132.68
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1.5x scale
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.