Finding the Fourth Proportional to 3,999,592,632.34, 5,519,437,359.74 and 2,392,047,379.09
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Solution
The fourth proportional to 3,999,592,632.34, 5,519,437,359.74 and 2,392,047,379.09 is: 3,301,025,100.32
Step by Step Solution
- Step 1: Write the proportion equation
3,999,592,632.34 : 5,519,437,359.74 = 2,392,047,379.09 : x - Step 2: Convert to fraction form
3,999,592,632.34/5,519,437,359.74 = 2,392,047,379.09/x - Step 3: Cross multiply
3,999,592,632.34x = 5,519,437,359.74 × 2,392,047,379.09 - Step 4: Simplify right side
3,999,592,632.34x = 13,202,755,670,417,496,064 - Step 5: Solve for x
x = 13,202,755,670,417,496,064/3,999,592,632.34 - Step 6: Final answer
x = 3,301,025,100.32
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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.