Finding the Fourth Proportional to 321,627,826.84, 482,495,551.08 and 252,537,843.28
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Solution
The fourth proportional to 321,627,826.84, 482,495,551.08 and 252,537,843.28 is: 378,849,016.45
Step by Step Solution
- Step 1: Write the proportion equation
321,627,826.84 : 482,495,551.08 = 252,537,843.28 : x - Step 2: Convert to fraction form
321,627,826.84/482,495,551.08 = 252,537,843.28/x - Step 3: Cross multiply
321,627,826.84x = 482,495,551.08 × 252,537,843.28 - Step 4: Simplify right side
321,627,826.84x = 121,848,385,861,938,272 - Step 5: Solve for x
x = 121,848,385,861,938,272/321,627,826.84 - Step 6: Final answer
x = 378,849,016.45
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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.