Finding the Fourth Proportional to 324,031,984.92, 447,165,268.26 and 175,353,068.76
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Solution
The fourth proportional to 324,031,984.92, 447,165,268.26 and 175,353,068.76 is: 241,987,845.90
Step by Step Solution
- Step 1: Write the proportion equation
324,031,984.92 : 447,165,268.26 = 175,353,068.76 : x - Step 2: Convert to fraction form
324,031,984.92/447,165,268.26 = 175,353,068.76/x - Step 3: Cross multiply
324,031,984.92x = 447,165,268.26 × 175,353,068.76 - Step 4: Simplify right side
324,031,984.92x = 78,411,802,032,279,616 - Step 5: Solve for x
x = 78,411,802,032,279,616/324,031,984.92 - Step 6: Final answer
x = 241,987,845.90
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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.