Finding the Fourth Proportional to 1,515,341,021.24, 2,075,982,459.78 and 1,458,686,550.80
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Solution
The fourth proportional to 1,515,341,021.24, 2,075,982,459.78 and 1,458,686,550.80 is: 1,998,367,134.09
Step by Step Solution
- Step 1: Write the proportion equation
1,515,341,021.24 : 2,075,982,459.78 = 1,458,686,550.80 : x - Step 2: Convert to fraction form
1,515,341,021.24/2,075,982,459.78 = 1,458,686,550.80/x - Step 3: Cross multiply
1,515,341,021.24x = 2,075,982,459.78 × 1,458,686,550.80 - Step 4: Simplify right side
1,515,341,021.24x = 3,028,207,693,777,787,904 - Step 5: Solve for x
x = 3,028,207,693,777,787,904/1,515,341,021.24 - Step 6: Final answer
x = 1,998,367,134.09
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.