Finding the Fourth Proportional to 712,407,954.18, 1,068,746,173.41 and 269,883,178.26
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Solution
The fourth proportional to 712,407,954.18, 1,068,746,173.41 and 269,883,178.26 is: 404,875,622.66
Step by Step Solution
- Step 1: Write the proportion equation
712,407,954.18 : 1,068,746,173.41 = 269,883,178.26 : x - Step 2: Convert to fraction form
712,407,954.18/1,068,746,173.41 = 269,883,178.26/x - Step 3: Cross multiply
712,407,954.18x = 1,068,746,173.41 × 269,883,178.26 - Step 4: Simplify right side
712,407,954.18x = 288,436,614,033,103,872 - Step 5: Solve for x
x = 288,436,614,033,103,872/712,407,954.18 - Step 6: Final answer
x = 404,875,622.66
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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.