Finding the Fourth Proportional to 590,979,763.20, 886,469,644.80 and 160,158,259.20
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Solution
The fourth proportional to 590,979,763.20, 886,469,644.80 and 160,158,259.20 is: 240,237,388.80
Step by Step Solution
- Step 1: Write the proportion equation
590,979,763.20 : 886,469,644.80 = 160,158,259.20 : x - Step 2: Convert to fraction form
590,979,763.20/886,469,644.80 = 160,158,259.20/x - Step 3: Cross multiply
590,979,763.20x = 886,469,644.80 × 160,158,259.20 - Step 4: Simplify right side
590,979,763.20x = 141,975,435,144,810,320 - Step 5: Solve for x
x = 141,975,435,144,810,320/590,979,763.20 - Step 6: Final answer
x = 240,237,388.80
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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.