Finding the Fourth Proportional to 4,195,817,097.51, 5,790,198,138.96 and 2,290,578,572.79
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Solution
The fourth proportional to 4,195,817,097.51, 5,790,198,138.96 and 2,290,578,572.79 is: 3,160,982,350.06
Step by Step Solution
- Step 1: Write the proportion equation
4,195,817,097.51 : 5,790,198,138.96 = 2,290,578,572.79 : x - Step 2: Convert to fraction form
4,195,817,097.51/5,790,198,138.96 = 2,290,578,572.79/x - Step 3: Cross multiply
4,195,817,097.51x = 5,790,198,138.96 × 2,290,578,572.79 - Step 4: Simplify right side
4,195,817,097.51x = 13,262,903,789,310,310,400 - Step 5: Solve for x
x = 13,262,903,789,310,310,400/4,195,817,097.51 - Step 6: Final answer
x = 3,160,982,350.06
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1.5x scale
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.