Finding the Fourth Proportional to 7,769,551,065.45, 11,649,865,427.77 and 3,042,338,197.96
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Solution
The fourth proportional to 7,769,551,065.45, 11,649,865,427.77 and 3,042,338,197.96 is: 4,561,760,427.79
Step by Step Solution
- Step 1: Write the proportion equation
7,769,551,065.45 : 11,649,865,427.77 = 3,042,338,197.96 : x - Step 2: Convert to fraction form
7,769,551,065.45/11,649,865,427.77 = 3,042,338,197.96/x - Step 3: Cross multiply
7,769,551,065.45x = 11,649,865,427.77 × 3,042,338,197.96 - Step 4: Simplify right side
7,769,551,065.45x = 35,442,830,592,051,425,280 - Step 5: Solve for x
x = 35,442,830,592,051,425,280/7,769,551,065.45 - Step 6: Final answer
x = 4,561,760,427.79
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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.