Finding the Fourth Proportional to 5,186,545,279.21, 7,775,458,331.01 and 4,201,529,095.99
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Solution
The fourth proportional to 5,186,545,279.21, 7,775,458,331.01 and 4,201,529,095.99 is: 6,298,762,018.59
Step by Step Solution
- Step 1: Write the proportion equation
5,186,545,279.21 : 7,775,458,331.01 = 4,201,529,095.99 : x - Step 2: Convert to fraction form
5,186,545,279.21/7,775,458,331.01 = 4,201,529,095.99/x - Step 3: Cross multiply
5,186,545,279.21x = 7,775,458,331.01 × 4,201,529,095.99 - Step 4: Simplify right side
5,186,545,279.21x = 32,668,814,412,396,359,680 - Step 5: Solve for x
x = 32,668,814,412,396,359,680/5,186,545,279.21 - Step 6: Final answer
x = 6,298,762,018.59
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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.