Finding the Fourth Proportional to 304,546,351.62, 420,274,498.38 and 165,317,207.70
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Solution
The fourth proportional to 304,546,351.62, 420,274,498.38 and 165,317,207.70 is: 228,138,036.03
Step by Step Solution
- Step 1: Write the proportion equation
304,546,351.62 : 420,274,498.38 = 165,317,207.70 : x - Step 2: Convert to fraction form
304,546,351.62/420,274,498.38 = 165,317,207.70/x - Step 3: Cross multiply
304,546,351.62x = 420,274,498.38 × 165,317,207.70 - Step 4: Simplify right side
304,546,351.62x = 69,478,606,539,699,768 - Step 5: Solve for x
x = 69,478,606,539,699,768/304,546,351.62 - Step 6: Final answer
x = 228,138,036.03
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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.