Finding the Fourth Proportional to 2,486,698,916.40, 3,433,193,207.28 and 1,582,964,770.80
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Solution
The fourth proportional to 2,486,698,916.40, 3,433,193,207.28 and 1,582,964,770.80 is: 2,185,477,245.61
Step by Step Solution
- Step 1: Write the proportion equation
2,486,698,916.40 : 3,433,193,207.28 = 1,582,964,770.80 : x - Step 2: Convert to fraction form
2,486,698,916.40/3,433,193,207.28 = 1,582,964,770.80/x - Step 3: Cross multiply
2,486,698,916.40x = 3,433,193,207.28 × 1,582,964,770.80 - Step 4: Simplify right side
2,486,698,916.40x = 5,434,623,898,474,101,760 - Step 5: Solve for x
x = 5,434,623,898,474,101,760/2,486,698,916.40 - Step 6: Final answer
x = 2,185,477,245.61
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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.