Finding the Fourth Proportional to 403,180,186.84, 604,278,958.02 and 208,984,540.12
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Solution
The fourth proportional to 403,180,186.84, 604,278,958.02 and 208,984,540.12 is: 313,222,138.06
Step by Step Solution
- Step 1: Write the proportion equation
403,180,186.84 : 604,278,958.02 = 208,984,540.12 : x - Step 2: Convert to fraction form
403,180,186.84/604,278,958.02 = 208,984,540.12/x - Step 3: Cross multiply
403,180,186.84x = 604,278,958.02 × 208,984,540.12 - Step 4: Simplify right side
403,180,186.84x = 126,284,960,146,002,480 - Step 5: Solve for x
x = 126,284,960,146,002,480/403,180,186.84 - Step 6: Final answer
x = 313,222,138.06
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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.