Finding the Fourth Proportional to 299,212,250.40, 412,881,436.08 and 173,739,919.68
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Solution
The fourth proportional to 299,212,250.40, 412,881,436.08 and 173,739,919.68 is: 239,742,816.16
Step by Step Solution
- Step 1: Write the proportion equation
299,212,250.40 : 412,881,436.08 = 173,739,919.68 : x - Step 2: Convert to fraction form
299,212,250.40/412,881,436.08 = 173,739,919.68/x - Step 3: Cross multiply
299,212,250.40x = 412,881,436.08 × 173,739,919.68 - Step 4: Simplify right side
299,212,250.40x = 71,733,987,541,902,256 - Step 5: Solve for x
x = 71,733,987,541,902,256/299,212,250.40 - Step 6: Final answer
x = 239,742,816.16
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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.