Finding the Fourth Proportional to 2,511,392,000.20, 3,767,088,000.30 and 764,580,862.60
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Solution
The fourth proportional to 2,511,392,000.20, 3,767,088,000.30 and 764,580,862.60 is: 1,146,871,293.90
Step by Step Solution
- Step 1: Write the proportion equation
2,511,392,000.20 : 3,767,088,000.30 = 764,580,862.60 : x - Step 2: Convert to fraction form
2,511,392,000.20/3,767,088,000.30 = 764,580,862.60/x - Step 3: Cross multiply
2,511,392,000.20x = 3,767,088,000.30 × 764,580,862.60 - Step 4: Simplify right side
2,511,392,000.20x = 2,880,243,392,759,483,392 - Step 5: Solve for x
x = 2,880,243,392,759,483,392/2,511,392,000.20 - Step 6: Final answer
x = 1,146,871,293.90
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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.