Finding the Fourth Proportional to 8,514,230,875.80, 12,771,346,313.70 and 6,174,189,864.60
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Solution
The fourth proportional to 8,514,230,875.80, 12,771,346,313.70 and 6,174,189,864.60 is: 9,261,284,796.90
Step by Step Solution
- Step 1: Write the proportion equation
8,514,230,875.80 : 12,771,346,313.70 = 6,174,189,864.60 : x - Step 2: Convert to fraction form
8,514,230,875.80/12,771,346,313.70 = 6,174,189,864.60/x - Step 3: Cross multiply
8,514,230,875.80x = 12,771,346,313.70 × 6,174,189,864.60 - Step 4: Simplify right side
8,514,230,875.80x = 78,852,716,967,343,128,576 - Step 5: Solve for x
x = 78,852,716,967,343,128,576/8,514,230,875.80 - Step 6: Final answer
x = 9,261,284,796.90
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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.