Finding the Fourth Proportional to 664,591,554.84, 917,117,041.50 and 367,229,072.28
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Solution
The fourth proportional to 664,591,554.84, 917,117,041.50 and 367,229,072.28 is: 506,765,452.96
Step by Step Solution
- Step 1: Write the proportion equation
664,591,554.84 : 917,117,041.50 = 367,229,072.28 : x - Step 2: Convert to fraction form
664,591,554.84/917,117,041.50 = 367,229,072.28/x - Step 3: Cross multiply
664,591,554.84x = 917,117,041.50 × 367,229,072.28 - Step 4: Simplify right side
664,591,554.84x = 336,792,040,322,223,232 - Step 5: Solve for x
x = 336,792,040,322,223,232/664,591,554.84 - Step 6: Final answer
x = 506,765,452.96
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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.