Finding the Fourth Proportional to 590,979,812.70, 886,469,719.05 and 160,158,308.70
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Solution
The fourth proportional to 590,979,812.70, 886,469,719.05 and 160,158,308.70 is: 240,237,463.05
Step by Step Solution
- Step 1: Write the proportion equation
590,979,812.70 : 886,469,719.05 = 160,158,308.70 : x - Step 2: Convert to fraction form
590,979,812.70/886,469,719.05 = 160,158,308.70/x - Step 3: Cross multiply
590,979,812.70x = 886,469,719.05 × 160,158,308.70 - Step 4: Simplify right side
590,979,812.70x = 141,975,490,916,812,160 - Step 5: Solve for x
x = 141,975,490,916,812,160/590,979,812.70 - Step 6: Final answer
x = 240,237,463.05
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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.