Finding the Fourth Proportional to 3,138,066,117.20, 4,698,605,710.20 and 2,458,588,869.20
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Solution
The fourth proportional to 3,138,066,117.20, 4,698,605,710.20 and 2,458,588,869.20 is: 3,681,228,906.09
Step by Step Solution
- Step 1: Write the proportion equation
3,138,066,117.20 : 4,698,605,710.20 = 2,458,588,869.20 : x - Step 2: Convert to fraction form
3,138,066,117.20/4,698,605,710.20 = 2,458,588,869.20/x - Step 3: Cross multiply
3,138,066,117.20x = 4,698,605,710.20 × 2,458,588,869.20 - Step 4: Simplify right side
3,138,066,117.20x = 11,551,939,699,857,278,976 - Step 5: Solve for x
x = 11,551,939,699,857,278,976/3,138,066,117.20 - Step 6: Final answer
x = 3,681,228,906.09
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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.