Finding the Fourth Proportional to 3,806,068,025.79, 5,251,947,874.08 and 2,112,594,057.66
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Solution
The fourth proportional to 3,806,068,025.79, 5,251,947,874.08 and 2,112,594,057.66 is: 2,915,143,343.40
Step by Step Solution
- Step 1: Write the proportion equation
3,806,068,025.79 : 5,251,947,874.08 = 2,112,594,057.66 : x - Step 2: Convert to fraction form
3,806,068,025.79/5,251,947,874.08 = 2,112,594,057.66/x - Step 3: Cross multiply
3,806,068,025.79x = 5,251,947,874.08 × 2,112,594,057.66 - Step 4: Simplify right side
3,806,068,025.79x = 11,095,233,869,921,478,656 - Step 5: Solve for x
x = 11,095,233,869,921,478,656/3,806,068,025.79 - Step 6: Final answer
x = 2,915,143,343.40
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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.