Finding the Fourth Proportional to 385,079,236.84, 577,562,136.54 and 126,321,800.68
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Solution
The fourth proportional to 385,079,236.84, 577,562,136.54 and 126,321,800.68 is: 189,464,094.95
Step by Step Solution
- Step 1: Write the proportion equation
385,079,236.84 : 577,562,136.54 = 126,321,800.68 : x - Step 2: Convert to fraction form
385,079,236.84/577,562,136.54 = 126,321,800.68/x - Step 3: Cross multiply
385,079,236.84x = 577,562,136.54 × 126,321,800.68 - Step 4: Simplify right side
385,079,236.84x = 72,958,689,092,320,832 - Step 5: Solve for x
x = 72,958,689,092,320,832/385,079,236.84 - Step 6: Final answer
x = 189,464,094.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.