Finding the Fourth Proportional to 5,528,271,284.40, 7,588,405,453.74 and 4,887,707,732.40
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Solution
The fourth proportional to 5,528,271,284.40, 7,588,405,453.74 and 4,887,707,732.40 is: 6,709,133,127.65
Step by Step Solution
- Step 1: Write the proportion equation
5,528,271,284.40 : 7,588,405,453.74 = 4,887,707,732.40 : x - Step 2: Convert to fraction form
5,528,271,284.40/7,588,405,453.74 = 4,887,707,732.40/x - Step 3: Cross multiply
5,528,271,284.40x = 7,588,405,453.74 × 4,887,707,732.40 - Step 4: Simplify right side
5,528,271,284.40x = 37,089,908,012,831,326,208 - Step 5: Solve for x
x = 37,089,908,012,831,326,208/5,528,271,284.40 - Step 6: Final answer
x = 6,709,133,127.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.