Finding the Fourth Proportional to 2,938,023,431.14, 4,407,715,973.60 and 839,527,170.63
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Solution
The fourth proportional to 2,938,023,431.14, 4,407,715,973.60 and 839,527,170.63 is: 1,259,485,299.21
Step by Step Solution
- Step 1: Write the proportion equation
2,938,023,431.14 : 4,407,715,973.60 = 839,527,170.63 : x - Step 2: Convert to fraction form
2,938,023,431.14/4,407,715,973.60 = 839,527,170.63/x - Step 3: Cross multiply
2,938,023,431.14x = 4,407,715,973.60 × 839,527,170.63 - Step 4: Simplify right side
2,938,023,431.14x = 3,700,397,320,256,056,320 - Step 5: Solve for x
x = 3,700,397,320,256,056,320/2,938,023,431.14 - Step 6: Final answer
x = 1,259,485,299.21
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1.5x scale
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.