Finding the Fourth Proportional to 7,220,608,858.54, 10,819,867,417.98 and 3,859,657,922.98
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Solution
The fourth proportional to 7,220,608,858.54, 10,819,867,417.98 and 3,859,657,922.98 is: 5,783,582,496.09
Step by Step Solution
- Step 1: Write the proportion equation
7,220,608,858.54 : 10,819,867,417.98 = 3,859,657,922.98 : x - Step 2: Convert to fraction form
7,220,608,858.54/10,819,867,417.98 = 3,859,657,922.98/x - Step 3: Cross multiply
7,220,608,858.54x = 10,819,867,417.98 × 3,859,657,922.98 - Step 4: Simplify right side
7,220,608,858.54x = 41,760,987,005,399,662,592 - Step 5: Solve for x
x = 41,760,987,005,399,662,592/7,220,608,858.54 - Step 6: Final answer
x = 5,783,582,496.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.