Finding the Fourth Proportional to 751,677,548.97, 1,037,338,606.81 and 434,131,895.87
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Solution
The fourth proportional to 751,677,548.97, 1,037,338,606.81 and 434,131,895.87 is: 599,115,640.28
Step by Step Solution
- Step 1: Write the proportion equation
751,677,548.97 : 1,037,338,606.81 = 434,131,895.87 : x - Step 2: Convert to fraction form
751,677,548.97/1,037,338,606.81 = 434,131,895.87/x - Step 3: Cross multiply
751,677,548.97x = 1,037,338,606.81 × 434,131,895.87 - Step 4: Simplify right side
751,677,548.97x = 450,341,776,033,569,792 - Step 5: Solve for x
x = 450,341,776,033,569,792/751,677,548.97 - Step 6: Final answer
x = 599,115,640.28
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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.