Finding the Fourth Proportional to 318,365,135.96, 477,645,163.95 and 163,028,927.79
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Solution
The fourth proportional to 318,365,135.96, 477,645,163.95 and 163,028,927.79 is: 244,593,299.17
Step by Step Solution
- Step 1: Write the proportion equation
318,365,135.96 : 477,645,163.95 = 163,028,927.79 : x - Step 2: Convert to fraction form
318,365,135.96/477,645,163.95 = 163,028,927.79/x - Step 3: Cross multiply
318,365,135.96x = 477,645,163.95 × 163,028,927.79 - Step 4: Simplify right side
318,365,135.96x = 77,869,978,942,847,248 - Step 5: Solve for x
x = 77,869,978,942,847,248/318,365,135.96 - Step 6: Final answer
x = 244,593,299.17
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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.