Finding the Fourth Proportional to 324,998,308.29, 448,498,517.13 and 176,319,421.68
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Solution
The fourth proportional to 324,998,308.29, 448,498,517.13 and 176,319,421.68 is: 243,321,263.98
Step by Step Solution
- Step 1: Write the proportion equation
324,998,308.29 : 448,498,517.13 = 176,319,421.68 : x - Step 2: Convert to fraction form
324,998,308.29/448,498,517.13 = 176,319,421.68/x - Step 3: Cross multiply
324,998,308.29x = 448,498,517.13 × 176,319,421.68 - Step 4: Simplify right side
324,998,308.29x = 79,078,999,164,699,168 - Step 5: Solve for x
x = 79,078,999,164,699,168/324,998,308.29 - Step 6: Final answer
x = 243,321,263.98
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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.