Finding the Fourth Proportional to 2,642,136,598.25, 3,646,162,917.20 and 1,555,865,879.84
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Solution
The fourth proportional to 2,642,136,598.25, 3,646,162,917.20 and 1,555,865,879.84 is: 2,147,103,400.70
Step by Step Solution
- Step 1: Write the proportion equation
2,642,136,598.25 : 3,646,162,917.20 = 1,555,865,879.84 : x - Step 2: Convert to fraction form
2,642,136,598.25/3,646,162,917.20 = 1,555,865,879.84/x - Step 3: Cross multiply
2,642,136,598.25x = 3,646,162,917.20 × 1,555,865,879.84 - Step 4: Simplify right side
2,642,136,598.25x = 5,672,940,475,208,872,960 - Step 5: Solve for x
x = 5,672,940,475,208,872,960/2,642,136,598.25 - Step 6: Final answer
x = 2,147,103,400.70
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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.