Finding the Fourth Proportional to 4,938,198,991.40, 6,820,370,463.94 and 3,252,190,477.88
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Solution
The fourth proportional to 4,938,198,991.40, 6,820,370,463.94 and 3,252,190,477.88 is: 4,491,747,683.12
Step by Step Solution
- Step 1: Write the proportion equation
4,938,198,991.40 : 6,820,370,463.94 = 3,252,190,477.88 : x - Step 2: Convert to fraction form
4,938,198,991.40/6,820,370,463.94 = 3,252,190,477.88/x - Step 3: Cross multiply
4,938,198,991.40x = 6,820,370,463.94 × 3,252,190,477.88 - Step 4: Simplify right side
4,938,198,991.40x = 22,181,143,878,397,431,808 - Step 5: Solve for x
x = 22,181,143,878,397,431,808/4,938,198,991.40 - Step 6: Final answer
x = 4,491,747,683.12
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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.