Finding the Fourth Proportional to 2,381,162,098.84, 3,286,187,760.98 and 1,428,578,685.48
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Solution
The fourth proportional to 2,381,162,098.84, 3,286,187,760.98 and 1,428,578,685.48 is: 1,971,549,015.55
Step by Step Solution
- Step 1: Write the proportion equation
2,381,162,098.84 : 3,286,187,760.98 = 1,428,578,685.48 : x - Step 2: Convert to fraction form
2,381,162,098.84/3,286,187,760.98 = 1,428,578,685.48/x - Step 3: Cross multiply
2,381,162,098.84x = 3,286,187,760.98 × 1,428,578,685.48 - Step 4: Simplify right side
2,381,162,098.84x = 4,694,577,791,821,273,088 - Step 5: Solve for x
x = 4,694,577,791,821,273,088/2,381,162,098.84 - Step 6: Final answer
x = 1,971,549,015.55
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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.