Finding the Fourth Proportional to 4,079,582,351.70, 6,119,373,527.55 and 1,319,490,374.10
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Solution
The fourth proportional to 4,079,582,351.70, 6,119,373,527.55 and 1,319,490,374.10 is: 1,979,235,561.15
Step by Step Solution
- Step 1: Write the proportion equation
4,079,582,351.70 : 6,119,373,527.55 = 1,319,490,374.10 : x - Step 2: Convert to fraction form
4,079,582,351.70/6,119,373,527.55 = 1,319,490,374.10/x - Step 3: Cross multiply
4,079,582,351.70x = 6,119,373,527.55 × 1,319,490,374.10 - Step 4: Simplify right side
4,079,582,351.70x = 8,074,454,465,124,585,472 - Step 5: Solve for x
x = 8,074,454,465,124,585,472/4,079,582,351.70 - Step 6: Final answer
x = 1,979,235,561.15
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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.