Finding the Fourth Proportional to 971,574,912.66, 1,457,362,313.63 and 272,170,598.60
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Solution
The fourth proportional to 971,574,912.66, 1,457,362,313.63 and 272,170,598.60 is: 408,255,882.39
Step by Step Solution
- Step 1: Write the proportion equation
971,574,912.66 : 1,457,362,313.63 = 272,170,598.60 : x - Step 2: Convert to fraction form
971,574,912.66/1,457,362,313.63 = 272,170,598.60/x - Step 3: Cross multiply
971,574,912.66x = 1,457,362,313.63 × 272,170,598.60 - Step 4: Simplify right side
971,574,912.66x = 396,651,173,272,869,888 - Step 5: Solve for x
x = 396,651,173,272,869,888/971,574,912.66 - Step 6: Final answer
x = 408,255,882.39
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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.