Finding the Fourth Proportional to 2,378,944,790,191.40, 3,568,412,731,345.80 and 745,415,338,010.05
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Solution
The fourth proportional to 2,378,944,790,191.40, 3,568,412,731,345.80 and 745,415,338,010.05 is: 1,118,121,611,423.14
Step by Step Solution
- Step 1: Write the proportion equation
2,378,944,790,191.40 : 3,568,412,731,345.80 = 745,415,338,010.05 : x - Step 2: Convert to fraction form
2,378,944,790,191.40/3,568,412,731,345.80 = 745,415,338,010.05/x - Step 3: Cross multiply
2,378,944,790,191.40x = 3,568,412,731,345.80 × 745,415,338,010.05 - Step 4: Simplify right side
2,378,944,790,191.40x = 2,659,949,582,295,495,480,442,880 - Step 5: Solve for x
x = 2,659,949,582,295,495,480,442,880/2,378,944,790,191.40 - Step 6: Final answer
x = 1,118,121,611,423.14
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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.