Finding the Fourth Proportional to 2,381,167,900.45, 3,286,195,760.64 and 1,428,584,487.09
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Solution
The fourth proportional to 2,381,167,900.45, 3,286,195,760.64 and 1,428,584,487.09 is: 1,971,557,018.00
Step by Step Solution
- Step 1: Write the proportion equation
2,381,167,900.45 : 3,286,195,760.64 = 1,428,584,487.09 : x - Step 2: Convert to fraction form
2,381,167,900.45/3,286,195,760.64 = 1,428,584,487.09/x - Step 3: Cross multiply
2,381,167,900.45x = 3,286,195,760.64 × 1,428,584,487.09 - Step 4: Simplify right side
2,381,167,900.45x = 4,694,608,285,174,795,264 - Step 5: Solve for x
x = 4,694,608,285,174,795,264/2,381,167,900.45 - Step 6: Final answer
x = 1,971,557,018.00
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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.