Finding the Fourth Proportional to 299,381,605.20, 449,072,407.80 and 295,350,526.80
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Solution
The fourth proportional to 299,381,605.20, 449,072,407.80 and 295,350,526.80 is: 443,025,790.20
Step by Step Solution
- Step 1: Write the proportion equation
299,381,605.20 : 449,072,407.80 = 295,350,526.80 : x - Step 2: Convert to fraction form
299,381,605.20/449,072,407.80 = 295,350,526.80/x - Step 3: Cross multiply
299,381,605.20x = 449,072,407.80 × 295,350,526.80 - Step 4: Simplify right side
299,381,605.20x = 132,633,772,215,074,432 - Step 5: Solve for x
x = 132,633,772,215,074,432/299,381,605.20 - Step 6: Final answer
x = 443,025,790.20
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1.5x scale
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.