Finding the Fourth Proportional to 618,443,613.84, 853,446,123.87 and 336,169,259.97
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Solution
The fourth proportional to 618,443,613.84, 853,446,123.87 and 336,169,259.97 is: 463,910,282.95
Step by Step Solution
- Step 1: Write the proportion equation
618,443,613.84 : 853,446,123.87 = 336,169,259.97 : x - Step 2: Convert to fraction form
618,443,613.84/853,446,123.87 = 336,169,259.97/x - Step 3: Cross multiply
618,443,613.84x = 853,446,123.87 × 336,169,259.97 - Step 4: Simplify right side
618,443,613.84x = 286,902,351,883,081,152 - Step 5: Solve for x
x = 286,902,351,883,081,152/618,443,613.84 - Step 6: Final answer
x = 463,910,282.95
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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.