Finding the Fourth Proportional to 4,086,240,737.29, 6,129,361,187.03 and 980,823,380.60
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Solution
The fourth proportional to 4,086,240,737.29, 6,129,361,187.03 and 980,823,380.60 is: 1,471,235,090.37
Step by Step Solution
- Step 1: Write the proportion equation
4,086,240,737.29 : 6,129,361,187.03 = 980,823,380.60 : x - Step 2: Convert to fraction form
4,086,240,737.29/6,129,361,187.03 = 980,823,380.60/x - Step 3: Cross multiply
4,086,240,737.29x = 6,129,361,187.03 × 980,823,380.60 - Step 4: Simplify right side
4,086,240,737.29x = 6,011,820,760,376,289,280 - Step 5: Solve for x
x = 6,011,820,760,376,289,280/4,086,240,737.29 - Step 6: Final answer
x = 1,471,235,090.37
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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.