Finding the Fourth Proportional to 293,274,686.40, 440,382,045.60 and 233,190,052.80
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Solution
The fourth proportional to 293,274,686.40, 440,382,045.60 and 233,190,052.80 is: 350,158,800.70
Step by Step Solution
- Step 1: Write the proportion equation
293,274,686.40 : 440,382,045.60 = 233,190,052.80 : x - Step 2: Convert to fraction form
293,274,686.40/440,382,045.60 = 233,190,052.80/x - Step 3: Cross multiply
293,274,686.40x = 440,382,045.60 × 233,190,052.80 - Step 4: Simplify right side
293,274,686.40x = 102,692,712,465,636,016 - Step 5: Solve for x
x = 102,692,712,465,636,016/293,274,686.40 - Step 6: Final answer
x = 350,158,800.70
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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.