Finding the Fourth Proportional to 946,675,548.36, 1,306,387,194.12 and 528,991,265.88
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Solution
The fourth proportional to 946,675,548.36, 1,306,387,194.12 and 528,991,265.88 is: 729,993,942.22
Step by Step Solution
- Step 1: Write the proportion equation
946,675,548.36 : 1,306,387,194.12 = 528,991,265.88 : x - Step 2: Convert to fraction form
946,675,548.36/1,306,387,194.12 = 528,991,265.88/x - Step 3: Cross multiply
946,675,548.36x = 1,306,387,194.12 × 528,991,265.88 - Step 4: Simplify right side
946,675,548.36x = 691,067,415,546,960,000 - Step 5: Solve for x
x = 691,067,415,546,960,000/946,675,548.36 - Step 6: Final answer
x = 729,993,942.22
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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.