Finding the Fourth Proportional to 6,279,584,640.20, 8,666,207,310.30 and 3,460,189,154.12
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Solution
The fourth proportional to 6,279,584,640.20, 8,666,207,310.30 and 3,460,189,154.12 is: 4,775,270,700.31
Step by Step Solution
- Step 1: Write the proportion equation
6,279,584,640.20 : 8,666,207,310.30 = 3,460,189,154.12 : x - Step 2: Convert to fraction form
6,279,584,640.20/8,666,207,310.30 = 3,460,189,154.12/x - Step 3: Cross multiply
6,279,584,640.20x = 8,666,207,310.30 × 3,460,189,154.12 - Step 4: Simplify right side
6,279,584,640.20x = 29,986,716,542,455,513,088 - Step 5: Solve for x
x = 29,986,716,542,455,513,088/6,279,584,640.20 - Step 6: Final answer
x = 4,775,270,700.31
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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.