Finding the Fourth Proportional to 2,327,842,520.69, 3,493,305,963.01 and 1,279,312,956.28
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Solution
The fourth proportional to 2,327,842,520.69, 3,493,305,963.01 and 1,279,312,956.28 is: 1,919,816,971.73
Step by Step Solution
- Step 1: Write the proportion equation
2,327,842,520.69 : 3,493,305,963.01 = 1,279,312,956.28 : x - Step 2: Convert to fraction form
2,327,842,520.69/3,493,305,963.01 = 1,279,312,956.28/x - Step 3: Cross multiply
2,327,842,520.69x = 3,493,305,963.01 × 1,279,312,956.28 - Step 4: Simplify right side
2,327,842,520.69x = 4,469,031,578,734,730,240 - Step 5: Solve for x
x = 4,469,031,578,734,730,240/2,327,842,520.69 - Step 6: Final answer
x = 1,919,816,971.73
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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.