Finding the Fourth Proportional to 415,358,300.52, 573,370,946.28 and 258,802,757.09
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Solution
The fourth proportional to 415,358,300.52, 573,370,946.28 and 258,802,757.09 is: 357,257,773.70
Step by Step Solution
- Step 1: Write the proportion equation
415,358,300.52 : 573,370,946.28 = 258,802,757.09 : x - Step 2: Convert to fraction form
415,358,300.52/573,370,946.28 = 258,802,757.09/x - Step 3: Cross multiply
415,358,300.52x = 573,370,946.28 × 258,802,757.09 - Step 4: Simplify right side
415,358,300.52x = 148,389,981,729,699,424 - Step 5: Solve for x
x = 148,389,981,729,699,424/415,358,300.52 - Step 6: Final answer
x = 357,257,773.70
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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.