Finding the Fourth Proportional to 2,490,474,288.96, 3,735,718,525.35 and 719,989,138.04
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Solution
The fourth proportional to 2,490,474,288.96, 3,735,718,525.35 and 719,989,138.04 is: 1,079,985,757.32
Step by Step Solution
- Step 1: Write the proportion equation
2,490,474,288.96 : 3,735,718,525.35 = 719,989,138.04 : x - Step 2: Convert to fraction form
2,490,474,288.96/3,735,718,525.35 = 719,989,138.04/x - Step 3: Cross multiply
2,490,474,288.96x = 3,735,718,525.35 × 719,989,138.04 - Step 4: Simplify right side
2,490,474,288.96x = 2,689,676,761,036,145,664 - Step 5: Solve for x
x = 2,689,676,761,036,145,664/2,490,474,288.96 - Step 6: Final answer
x = 1,079,985,757.32
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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.