Finding the Fourth Proportional to 3,711,579,578.18, 5,121,943,808.32 and 2,018,034,199.97
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Solution
The fourth proportional to 3,711,579,578.18, 5,121,943,808.32 and 2,018,034,199.97 is: 2,784,867,617.09
Step by Step Solution
- Step 1: Write the proportion equation
3,711,579,578.18 : 5,121,943,808.32 = 2,018,034,199.97 : x - Step 2: Convert to fraction form
3,711,579,578.18/5,121,943,808.32 = 2,018,034,199.97/x - Step 3: Cross multiply
3,711,579,578.18x = 5,121,943,808.32 × 2,018,034,199.97 - Step 4: Simplify right side
3,711,579,578.18x = 10,336,257,775,514,345,472 - Step 5: Solve for x
x = 10,336,257,775,514,345,472/3,711,579,578.18 - Step 6: Final answer
x = 2,784,867,617.09
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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.