Finding the Fourth Proportional to 7,970,966,346.72, 11,957,590,622.16 and 2,450,687,939.04
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Solution
The fourth proportional to 7,970,966,346.72, 11,957,590,622.16 and 2,450,687,939.04 is: 3,676,382,742.45
Step by Step Solution
- Step 1: Write the proportion equation
7,970,966,346.72 : 11,957,590,622.16 = 2,450,687,939.04 : x - Step 2: Convert to fraction form
7,970,966,346.72/11,957,590,622.16 = 2,450,687,939.04/x - Step 3: Cross multiply
7,970,966,346.72x = 11,957,590,622.16 × 2,450,687,939.04 - Step 4: Simplify right side
7,970,966,346.72x = 29,304,323,117,705,322,496 - Step 5: Solve for x
x = 29,304,323,117,705,322,496/7,970,966,346.72 - Step 6: Final answer
x = 3,676,382,742.45
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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.