Finding the Fourth Proportional to 965,365,225.20, 1,448,047,837.80 and 889,782,505.20
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Solution
The fourth proportional to 965,365,225.20, 1,448,047,837.80 and 889,782,505.20 is: 1,334,673,757.80
Step by Step Solution
- Step 1: Write the proportion equation
965,365,225.20 : 1,448,047,837.80 = 889,782,505.20 : x - Step 2: Convert to fraction form
965,365,225.20/1,448,047,837.80 = 889,782,505.20/x - Step 3: Cross multiply
965,365,225.20x = 1,448,047,837.80 × 889,782,505.20 - Step 4: Simplify right side
965,365,225.20x = 1,288,447,632,767,127,296 - Step 5: Solve for x
x = 1,288,447,632,767,127,296/965,365,225.20 - Step 6: Final answer
x = 1,334,673,757.80
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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.