Finding the Fourth Proportional to 2,822,028,974.32, 4,232,769,934.26 and 856,899,326.68
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Solution
The fourth proportional to 2,822,028,974.32, 4,232,769,934.26 and 856,899,326.68 is: 1,285,265,934.43
Step by Step Solution
- Step 1: Write the proportion equation
2,822,028,974.32 : 4,232,769,934.26 = 856,899,326.68 : x - Step 2: Convert to fraction form
2,822,028,974.32/4,232,769,934.26 = 856,899,326.68/x - Step 3: Cross multiply
2,822,028,974.32x = 4,232,769,934.26 × 856,899,326.68 - Step 4: Simplify right side
2,822,028,974.32x = 3,627,057,706,658,741,760 - Step 5: Solve for x
x = 3,627,057,706,658,741,760/2,822,028,974.32 - Step 6: Final answer
x = 1,285,265,934.43
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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.