Finding the Fourth Proportional to 740,112,396.98, 1,109,383,530.81 and 346,307,431.68
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Solution
The fourth proportional to 740,112,396.98, 1,109,383,530.81 and 346,307,431.68 is: 519,093,806.39
Step by Step Solution
- Step 1: Write the proportion equation
740,112,396.98 : 1,109,383,530.81 = 346,307,431.68 : x - Step 2: Convert to fraction form
740,112,396.98/1,109,383,530.81 = 346,307,431.68/x - Step 3: Cross multiply
740,112,396.98x = 1,109,383,530.81 × 346,307,431.68 - Step 4: Simplify right side
740,112,396.98x = 384,187,761,301,169,728 - Step 5: Solve for x
x = 384,187,761,301,169,728/740,112,396.98 - Step 6: Final answer
x = 519,093,806.39
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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.