Finding the Fourth Proportional to 5,184,625,515.40, 7,154,805,755.81 and 2,805,763,661.64
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Solution
The fourth proportional to 5,184,625,515.40, 7,154,805,755.81 and 2,805,763,661.64 is: 3,871,966,053.50
Step by Step Solution
- Step 1: Write the proportion equation
5,184,625,515.40 : 7,154,805,755.81 = 2,805,763,661.64 : x - Step 2: Convert to fraction form
5,184,625,515.40/7,154,805,755.81 = 2,805,763,661.64/x - Step 3: Cross multiply
5,184,625,515.40x = 7,154,805,755.81 × 2,805,763,661.64 - Step 4: Simplify right side
5,184,625,515.40x = 20,074,693,995,744,411,648 - Step 5: Solve for x
x = 20,074,693,995,744,411,648/5,184,625,515.40 - Step 6: Final answer
x = 3,871,966,053.50
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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.