Finding the Fourth Proportional to 7,761,643,454.05, 11,642,463,851.55 and 2,453,481,867.97
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Solution
The fourth proportional to 7,761,643,454.05, 11,642,463,851.55 and 2,453,481,867.97 is: 3,680,222,381.69
Step by Step Solution
- Step 1: Write the proportion equation
7,761,643,454.05 : 11,642,463,851.55 = 2,453,481,867.97 : x - Step 2: Convert to fraction form
7,761,643,454.05/11,642,463,851.55 = 2,453,481,867.97/x - Step 3: Cross multiply
7,761,643,454.05x = 11,642,463,851.55 × 2,453,481,867.97 - Step 4: Simplify right side
7,761,643,454.05x = 28,564,573,958,274,088,960 - Step 5: Solve for x
x = 28,564,573,958,274,088,960/7,761,643,454.05 - Step 6: Final answer
x = 3,680,222,381.69
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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.