Finding the Fourth Proportional to 751,439,476.09, 1,036,951,344.30 and 416,908,438.26
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Solution
The fourth proportional to 751,439,476.09, 1,036,951,344.30 and 416,908,438.26 is: 575,314,152.72
Step by Step Solution
- Step 1: Write the proportion equation
751,439,476.09 : 1,036,951,344.30 = 416,908,438.26 : x - Step 2: Convert to fraction form
751,439,476.09/1,036,951,344.30 = 416,908,438.26/x - Step 3: Cross multiply
751,439,476.09x = 1,036,951,344.30 × 416,908,438.26 - Step 4: Simplify right side
751,439,476.09x = 432,313,765,503,720,512 - Step 5: Solve for x
x = 432,313,765,503,720,512/751,439,476.09 - Step 6: Final answer
x = 575,314,152.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.