Finding the Fourth Proportional to 14,640,963,735.40, 20,203,118,157.36 and 8,211,044,751.58
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Solution
The fourth proportional to 14,640,963,735.40, 20,203,118,157.36 and 8,211,044,751.58 is: 11,330,449,983.32
Step by Step Solution
- Step 1: Write the proportion equation
14,640,963,735.40 : 20,203,118,157.36 = 8,211,044,751.58 : x - Step 2: Convert to fraction form
14,640,963,735.40/20,203,118,157.36 = 8,211,044,751.58/x - Step 3: Cross multiply
14,640,963,735.40x = 20,203,118,157.36 × 8,211,044,751.58 - Step 4: Simplify right side
14,640,963,735.40x = 165,888,707,311,541,420,032 - Step 5: Solve for x
x = 165,888,707,311,541,420,032/14,640,963,735.40 - Step 6: Final answer
x = 11,330,449,983.32
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1.5x scale
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.