Finding the Fourth Proportional to 2,305,211,679.51, 3,181,193,182.07 and 1,247,939,651.67
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Solution
The fourth proportional to 2,305,211,679.51, 3,181,193,182.07 and 1,247,939,651.67 is: 1,722,157,295.49
Step by Step Solution
- Step 1: Write the proportion equation
2,305,211,679.51 : 3,181,193,182.07 = 1,247,939,651.67 : x - Step 2: Convert to fraction form
2,305,211,679.51/3,181,193,182.07 = 1,247,939,651.67/x - Step 3: Cross multiply
2,305,211,679.51x = 3,181,193,182.07 × 1,247,939,651.67 - Step 4: Simplify right side
2,305,211,679.51x = 3,969,937,111,527,415,296 - Step 5: Solve for x
x = 3,969,937,111,527,415,296/2,305,211,679.51 - Step 6: Final answer
x = 1,722,157,295.49
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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.