Finding the Fourth Proportional to 370,629,119.97, 511,513,546.32 and 213,995,964.11
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Solution
The fourth proportional to 370,629,119.97, 511,513,546.32 and 213,995,964.11 is: 295,340,621.12
Step by Step Solution
- Step 1: Write the proportion equation
370,629,119.97 : 511,513,546.32 = 213,995,964.11 : x - Step 2: Convert to fraction form
370,629,119.97/511,513,546.32 = 213,995,964.11/x - Step 3: Cross multiply
370,629,119.97x = 511,513,546.32 × 213,995,964.11 - Step 4: Simplify right side
370,629,119.97x = 109,461,834,497,515,968 - Step 5: Solve for x
x = 109,461,834,497,515,968/370,629,119.97 - Step 6: Final answer
x = 295,340,621.12
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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.