Finding the Fourth Proportional to 322,596,309.70, 483,896,214.15 and 80,259,213.70
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Solution
The fourth proportional to 322,596,309.70, 483,896,214.15 and 80,259,213.70 is: 120,389,255.84
Step by Step Solution
- Step 1: Write the proportion equation
322,596,309.70 : 483,896,214.15 = 80,259,213.70 : x - Step 2: Convert to fraction form
322,596,309.70/483,896,214.15 = 80,259,213.70/x - Step 3: Cross multiply
322,596,309.70x = 483,896,214.15 × 80,259,213.70 - Step 4: Simplify right side
322,596,309.70x = 38,837,129,660,085,816 - Step 5: Solve for x
x = 38,837,129,660,085,816/322,596,309.70 - Step 6: Final answer
x = 120,389,255.84
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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.