Finding the Fourth Proportional to 1,190,906,205.99, 1,786,062,312.72 and 350,381,697.54
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Solution
The fourth proportional to 1,190,906,205.99, 1,786,062,312.72 and 350,381,697.54 is: 525,485,165.75
Step by Step Solution
- Step 1: Write the proportion equation
1,190,906,205.99 : 1,786,062,312.72 = 350,381,697.54 : x - Step 2: Convert to fraction form
1,190,906,205.99/1,786,062,312.72 = 350,381,697.54/x - Step 3: Cross multiply
1,190,906,205.99x = 1,786,062,312.72 × 350,381,697.54 - Step 4: Simplify right side
1,190,906,205.99x = 625,803,545,043,052,032 - Step 5: Solve for x
x = 625,803,545,043,052,032/1,190,906,205.99 - Step 6: Final answer
x = 525,485,165.75
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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.