Finding the Fourth Proportional to 2,086,560,102.80, 3,129,840,154.20 and 1,566,173,075.60
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Solution
The fourth proportional to 2,086,560,102.80, 3,129,840,154.20 and 1,566,173,075.60 is: 2,349,259,613.40
Step by Step Solution
- Step 1: Write the proportion equation
2,086,560,102.80 : 3,129,840,154.20 = 1,566,173,075.60 : x - Step 2: Convert to fraction form
2,086,560,102.80/3,129,840,154.20 = 1,566,173,075.60/x - Step 3: Cross multiply
2,086,560,102.80x = 3,129,840,154.20 × 1,566,173,075.60 - Step 4: Simplify right side
2,086,560,102.80x = 4,901,871,380,439,791,616 - Step 5: Solve for x
x = 4,901,871,380,439,791,616/2,086,560,102.80 - Step 6: Final answer
x = 2,349,259,613.40
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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.