Finding the Fourth Proportional to 3,890,901,126.38, 5,836,956,351.32 and 1,306,576,764.14
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Solution
The fourth proportional to 3,890,901,126.38, 5,836,956,351.32 and 1,306,576,764.14 is: 1,960,068,193.51
Step by Step Solution
- Step 1: Write the proportion equation
3,890,901,126.38 : 5,836,956,351.32 = 1,306,576,764.14 : x - Step 2: Convert to fraction form
3,890,901,126.38/5,836,956,351.32 = 1,306,576,764.14/x - Step 3: Cross multiply
3,890,901,126.38x = 5,836,956,351.32 × 1,306,576,764.14 - Step 4: Simplify right side
3,890,901,126.38x = 7,626,431,541,908,188,160 - Step 5: Solve for x
x = 7,626,431,541,908,188,160/3,890,901,126.38 - Step 6: Final answer
x = 1,960,068,193.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.