Finding the Fourth Proportional to 359,525,457.09, 539,443,546.50 and 193,334,717.08
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Solution
The fourth proportional to 359,525,457.09, 539,443,546.50 and 193,334,717.08 is: 290,085,620.89
Step by Step Solution
- Step 1: Write the proportion equation
359,525,457.09 : 539,443,546.50 = 193,334,717.08 : x - Step 2: Convert to fraction form
359,525,457.09/539,443,546.50 = 193,334,717.08/x - Step 3: Cross multiply
359,525,457.09x = 539,443,546.50 × 193,334,717.08 - Step 4: Simplify right side
359,525,457.09x = 104,293,165,443,883,632 - Step 5: Solve for x
x = 104,293,165,443,883,632/359,525,457.09 - Step 6: Final answer
x = 290,085,620.89
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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.