Finding the Fourth Proportional to 317,954,315.80, 476,931,473.70 and 277,643,531.80
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Solution
The fourth proportional to 317,954,315.80, 476,931,473.70 and 277,643,531.80 is: 416,465,297.70
Step by Step Solution
- Step 1: Write the proportion equation
317,954,315.80 : 476,931,473.70 = 277,643,531.80 : x - Step 2: Convert to fraction form
317,954,315.80/476,931,473.70 = 277,643,531.80/x - Step 3: Cross multiply
317,954,315.80x = 476,931,473.70 × 277,643,531.80 - Step 4: Simplify right side
317,954,315.80x = 132,416,938,784,646,816 - Step 5: Solve for x
x = 132,416,938,784,646,816/317,954,315.80 - Step 6: Final answer
x = 416,465,297.70
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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.