Finding the Fourth Proportional to 3,983,378,643.27, 5,496,952,941.77 and 2,199,199,674.69
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Solution
The fourth proportional to 3,983,378,643.27, 5,496,952,941.77 and 2,199,199,674.69 is: 3,034,835,049.32
Step by Step Solution
- Step 1: Write the proportion equation
3,983,378,643.27 : 5,496,952,941.77 = 2,199,199,674.69 : x - Step 2: Convert to fraction form
3,983,378,643.27/5,496,952,941.77 = 2,199,199,674.69/x - Step 3: Cross multiply
3,983,378,643.27x = 5,496,952,941.77 × 2,199,199,674.69 - Step 4: Simplify right side
3,983,378,643.27x = 12,088,897,121,315,827,712 - Step 5: Solve for x
x = 12,088,897,121,315,827,712/3,983,378,643.27 - Step 6: Final answer
x = 3,034,835,049.32
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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.