Finding the Fourth Proportional to 2,787,453,983.13, 3,846,765,793.08 and 1,517,376,875.23
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Solution
The fourth proportional to 2,787,453,983.13, 3,846,765,793.08 and 1,517,376,875.23 is: 2,094,023,253.54
Step by Step Solution
- Step 1: Write the proportion equation
2,787,453,983.13 : 3,846,765,793.08 = 1,517,376,875.23 : x - Step 2: Convert to fraction form
2,787,453,983.13/3,846,765,793.08 = 1,517,376,875.23/x - Step 3: Cross multiply
2,787,453,983.13x = 3,846,765,793.08 × 1,517,376,875.23 - Step 4: Simplify right side
2,787,453,983.13x = 5,836,993,458,845,382,656 - Step 5: Solve for x
x = 5,836,993,458,845,382,656/2,787,453,983.13 - Step 6: Final answer
x = 2,094,023,253.54
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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.