Finding the Fourth Proportional to 28,254,701,889,876, 38,998,743,357,036 and 18,402,496,188,194
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Solution
The fourth proportional to 28,254,701,889,876, 38,998,743,357,036 and 18,402,496,188,194 is: 25,400,169,811,360.23
Step by Step Solution
- Step 1: Write the proportion equation
28,254,701,889,876 : 38,998,743,357,036 = 18,402,496,188,194 : x - Step 2: Convert to fraction form
28,254,701,889,876/38,998,743,357,036 = 18,402,496,188,194/x - Step 3: Cross multiply
28,254,701,889,876x = 38,998,743,357,036 × 18,402,496,188,194 - Step 4: Simplify right side
28,254,701,889,876x = 717,674,225,972,211,107,057,631,232 - Step 5: Solve for x
x = 717,674,225,972,211,107,057,631,232/28,254,701,889,876 - Step 6: Final answer
x = 25,400,169,811,360.23
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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.