Finding the Fourth Proportional to 20,253,887,662.66, 27,950,364,974.73 and 11,343,216,415.66
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Solution
The fourth proportional to 20,253,887,662.66, 27,950,364,974.73 and 11,343,216,415.66 is: 15,653,638,653.76
Step by Step Solution
- Step 1: Write the proportion equation
20,253,887,662.66 : 27,950,364,974.73 = 11,343,216,415.66 : x - Step 2: Convert to fraction form
20,253,887,662.66/27,950,364,974.73 = 11,343,216,415.66/x - Step 3: Cross multiply
20,253,887,662.66x = 27,950,364,974.73 × 11,343,216,415.66 - Step 4: Simplify right side
20,253,887,662.66x = 317,047,038,805,045,608,448 - Step 5: Solve for x
x = 317,047,038,805,045,608,448/20,253,887,662.66 - Step 6: Final answer
x = 15,653,638,653.76
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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.