Finding the Fourth Proportional to 754,119,942.08, 1,040,669,202.72 and 436,593,576.64
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Solution
The fourth proportional to 754,119,942.08, 1,040,669,202.72 and 436,593,576.64 is: 602,489,688.92
Step by Step Solution
- Step 1: Write the proportion equation
754,119,942.08 : 1,040,669,202.72 = 436,593,576.64 : x - Step 2: Convert to fraction form
754,119,942.08/1,040,669,202.72 = 436,593,576.64/x - Step 3: Cross multiply
754,119,942.08x = 1,040,669,202.72 × 436,593,576.64 - Step 4: Simplify right side
754,119,942.08x = 454,349,489,314,622,016 - Step 5: Solve for x
x = 454,349,489,314,622,016/754,119,942.08 - Step 6: Final answer
x = 602,489,688.92
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1.5x scale
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.