Finding the Fourth Proportional to 372,649,416.32, 514,235,205.08 and 205,385,168
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Solution
The fourth proportional to 372,649,416.32, 514,235,205.08 and 205,385,168 is: 283,419,963.54
Step by Step Solution
- Step 1: Write the proportion equation
372,649,416.32 : 514,235,205.08 = 205,385,168 : x - Step 2: Convert to fraction form
372,649,416.32/514,235,205.08 = 205,385,168/x - Step 3: Cross multiply
372,649,416.32x = 514,235,205.08 × 205,385,168 - Step 4: Simplify right side
372,649,416.32x = 105,616,283,986,870,256 - Step 5: Solve for x
x = 105,616,283,986,870,256/372,649,416.32 - Step 6: Final answer
x = 283,419,963.54
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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.