Finding the Fourth Proportional to 339,310,614.40, 509,115,220.80 and 157,464,188.80
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Solution
The fourth proportional to 339,310,614.40, 509,115,220.80 and 157,464,188.80 is: 236,265,568.62
Step by Step Solution
- Step 1: Write the proportion equation
339,310,614.40 : 509,115,220.80 = 157,464,188.80 : x - Step 2: Convert to fraction form
339,310,614.40/509,115,220.80 = 157,464,188.80/x - Step 3: Cross multiply
339,310,614.40x = 509,115,220.80 × 157,464,188.80 - Step 4: Simplify right side
339,310,614.40x = 80,167,415,249,004,896 - Step 5: Solve for x
x = 80,167,415,249,004,896/339,310,614.40 - Step 6: Final answer
x = 236,265,568.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.