Finding the Fourth Proportional to 328,868,579.34, 453,802,023.90 and 182,154,121.74
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Solution
The fourth proportional to 328,868,579.34, 453,802,023.90 and 182,154,121.74 is: 251,352,407.31
Step by Step Solution
- Step 1: Write the proportion equation
328,868,579.34 : 453,802,023.90 = 182,154,121.74 : x - Step 2: Convert to fraction form
328,868,579.34/453,802,023.90 = 182,154,121.74/x - Step 3: Cross multiply
328,868,579.34x = 453,802,023.90 × 182,154,121.74 - Step 4: Simplify right side
328,868,579.34x = 82,661,909,107,338,992 - Step 5: Solve for x
x = 82,661,909,107,338,992/328,868,579.34 - Step 6: Final answer
x = 251,352,407.31
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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.