Finding the Fourth Proportional to 7,972,344,714.80, 11,958,517,072.20 and 2,450,885,301.20
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Solution
The fourth proportional to 7,972,344,714.80, 11,958,517,072.20 and 2,450,885,301.20 is: 3,676,327,951.80
Step by Step Solution
- Step 1: Write the proportion equation
7,972,344,714.80 : 11,958,517,072.20 = 2,450,885,301.20 : x - Step 2: Convert to fraction form
7,972,344,714.80/11,958,517,072.20 = 2,450,885,301.20/x - Step 3: Cross multiply
7,972,344,714.80x = 11,958,517,072.20 × 2,450,885,301.20 - Step 4: Simplify right side
7,972,344,714.80x = 29,308,953,716,404,240,384 - Step 5: Solve for x
x = 29,308,953,716,404,240,384/7,972,344,714.80 - Step 6: Final answer
x = 3,676,327,951.80
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1.5x scale
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.