Finding the Fourth Proportional to 8,106,062,965.12, 12,166,957,119.36 and 3,911,967,343.36
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Solution
The fourth proportional to 8,106,062,965.12, 12,166,957,119.36 and 3,911,967,343.36 is: 5,871,745,522.31
Step by Step Solution
- Step 1: Write the proportion equation
8,106,062,965.12 : 12,166,957,119.36 = 3,911,967,343.36 : x - Step 2: Convert to fraction form
8,106,062,965.12/12,166,957,119.36 = 3,911,967,343.36/x - Step 3: Cross multiply
8,106,062,965.12x = 12,166,957,119.36 × 3,911,967,343.36 - Step 4: Simplify right side
8,106,062,965.12x = 47,596,738,918,997,778,432 - Step 5: Solve for x
x = 47,596,738,918,997,778,432/8,106,062,965.12 - Step 6: Final answer
x = 5,871,745,522.31
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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.