Finding the Fourth Proportional to 20,979,487,468,886, 28,949,749,799,144 and 11,604,083,215,257
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Solution
The fourth proportional to 20,979,487,468,886, 28,949,749,799,144 and 11,604,083,215,257 is: 16,012,560,184,244.32
Step by Step Solution
- Step 1: Write the proportion equation
20,979,487,468,886 : 28,949,749,799,144 = 11,604,083,215,257 : x - Step 2: Convert to fraction form
20,979,487,468,886/28,949,749,799,144 = 11,604,083,215,257/x - Step 3: Cross multiply
20,979,487,468,886x = 28,949,749,799,144 × 11,604,083,215,257 - Step 4: Simplify right side
20,979,487,468,886x = 335,935,305,730,136,605,368,254,464 - Step 5: Solve for x
x = 335,935,305,730,136,605,368,254,464/20,979,487,468,886 - Step 6: Final answer
x = 16,012,560,184,244.32
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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.