Finding the Fourth Proportional to 8,237,936,500.56, 11,370,771,785.28 and 5,380,515,544.68
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Solution
The fourth proportional to 8,237,936,500.56, 11,370,771,785.28 and 5,380,515,544.68 is: 7,426,691,665.02
Step by Step Solution
- Step 1: Write the proportion equation
8,237,936,500.56 : 11,370,771,785.28 = 5,380,515,544.68 : x - Step 2: Convert to fraction form
8,237,936,500.56/11,370,771,785.28 = 5,380,515,544.68/x - Step 3: Cross multiply
8,237,936,500.56x = 11,370,771,785.28 × 5,380,515,544.68 - Step 4: Simplify right side
8,237,936,500.56x = 61,180,614,345,707,798,528 - Step 5: Solve for x
x = 61,180,614,345,707,798,528/8,237,936,500.56 - Step 6: Final answer
x = 7,426,691,665.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.