Finding the Fourth Proportional to 20,979,487,468,884, 28,949,749,799,142 and 11,604,083,215,255
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Solution
The fourth proportional to 20,979,487,468,884, 28,949,749,799,142 and 11,604,083,215,255 is: 16,012,560,184,241.98
Step by Step Solution
- Step 1: Write the proportion equation
20,979,487,468,884 : 28,949,749,799,142 = 11,604,083,215,255 : x - Step 2: Convert to fraction form
20,979,487,468,884/28,949,749,799,142 = 11,604,083,215,255/x - Step 3: Cross multiply
20,979,487,468,884x = 28,949,749,799,142 × 11,604,083,215,255 - Step 4: Simplify right side
20,979,487,468,884x = 335,935,305,730,055,516,385,705,984 - Step 5: Solve for x
x = 335,935,305,730,055,516,385,705,984/20,979,487,468,884 - Step 6: Final answer
x = 16,012,560,184,241.98
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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.