Finding the Fourth Proportional to 738,614,989.82, 1,107,921,118.66 and 240,624,910.02
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Solution
The fourth proportional to 738,614,989.82, 1,107,921,118.66 and 240,624,910.02 is: 360,936,919.99
Step by Step Solution
- Step 1: Write the proportion equation
738,614,989.82 : 1,107,921,118.66 = 240,624,910.02 : x - Step 2: Convert to fraction form
738,614,989.82/1,107,921,118.66 = 240,624,910.02/x - Step 3: Cross multiply
738,614,989.82x = 1,107,921,118.66 × 240,624,910.02 - Step 4: Simplify right side
738,614,989.82x = 266,593,419,484,634,688 - Step 5: Solve for x
x = 266,593,419,484,634,688/738,614,989.82 - Step 6: Final answer
x = 360,936,919.99
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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.