Finding the Fourth Proportional to 769,968,229.20, 1,154,952,343.80 and 597,975,550.80
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Solution
The fourth proportional to 769,968,229.20, 1,154,952,343.80 and 597,975,550.80 is: 896,963,326.20
Step by Step Solution
- Step 1: Write the proportion equation
769,968,229.20 : 1,154,952,343.80 = 597,975,550.80 : x - Step 2: Convert to fraction form
769,968,229.20/1,154,952,343.80 = 597,975,550.80/x - Step 3: Cross multiply
769,968,229.20x = 1,154,952,343.80 × 597,975,550.80 - Step 4: Simplify right side
769,968,229.20x = 690,633,263,931,555,840 - Step 5: Solve for x
x = 690,633,263,931,555,840/769,968,229.20 - Step 6: Final answer
x = 896,963,326.20
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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.