Finding the Fourth Proportional to 295,645,810.26, 407,993,859.18 and 163,495,701.30
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Solution
The fourth proportional to 295,645,810.26, 407,993,859.18 and 163,495,701.30 is: 225,625,528.31
Step by Step Solution
- Step 1: Write the proportion equation
295,645,810.26 : 407,993,859.18 = 163,495,701.30 : x - Step 2: Convert to fraction form
295,645,810.26/407,993,859.18 = 163,495,701.30/x - Step 3: Cross multiply
295,645,810.26x = 407,993,859.18 × 163,495,701.30 - Step 4: Simplify right side
295,645,810.26x = 66,705,242,132,727,552 - Step 5: Solve for x
x = 66,705,242,132,727,552/295,645,810.26 - Step 6: Final answer
x = 225,625,528.31
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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.