Finding the Fourth Proportional to 1,418,850,205.20, 1,958,934,605.04 and 1,269,913,405.68
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Solution
The fourth proportional to 1,418,850,205.20, 1,958,934,605.04 and 1,269,913,405.68 is: 1,753,305,110.49
Step by Step Solution
- Step 1: Write the proportion equation
1,418,850,205.20 : 1,958,934,605.04 = 1,269,913,405.68 : x - Step 2: Convert to fraction form
1,418,850,205.20/1,958,934,605.04 = 1,269,913,405.68/x - Step 3: Cross multiply
1,418,850,205.20x = 1,958,934,605.04 × 1,269,913,405.68 - Step 4: Simplify right side
1,418,850,205.20x = 2,487,677,315,790,752,256 - Step 5: Solve for x
x = 2,487,677,315,790,752,256/1,418,850,205.20 - Step 6: Final answer
x = 1,753,305,110.49
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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.