Finding the Fourth Proportional to 20,979,487,736,444, 28,949,750,167,803 and 11,604,083,481,945
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Solution
The fourth proportional to 20,979,487,736,444, 28,949,750,167,803 and 11,604,083,481,945 is: 16,012,560,551,946.92
Step by Step Solution
- Step 1: Write the proportion equation
20,979,487,736,444 : 28,949,750,167,803 = 11,604,083,481,945 : x - Step 2: Convert to fraction form
20,979,487,736,444/28,949,750,167,803 = 11,604,083,481,945/x - Step 3: Cross multiply
20,979,487,736,444x = 28,949,750,167,803 × 11,604,083,481,945 - Step 4: Simplify right side
20,979,487,736,444x = 335,935,317,728,637,301,664,251,904 - Step 5: Solve for x
x = 335,935,317,728,637,301,664,251,904/20,979,487,736,444 - Step 6: Final answer
x = 16,012,560,551,946.92
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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.