Finding the Fourth Proportional to 8,106,062,969.12, 12,166,957,125.36 and 3,911,967,347.36
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Solution
The fourth proportional to 8,106,062,969.12, 12,166,957,125.36 and 3,911,967,347.36 is: 5,871,745,528.31
Step by Step Solution
- Step 1: Write the proportion equation
8,106,062,969.12 : 12,166,957,125.36 = 3,911,967,347.36 : x - Step 2: Convert to fraction form
8,106,062,969.12/12,166,957,125.36 = 3,911,967,347.36/x - Step 3: Cross multiply
8,106,062,969.12x = 12,166,957,125.36 × 3,911,967,347.36 - Step 4: Simplify right side
8,106,062,969.12x = 47,596,738,991,137,415,168 - Step 5: Solve for x
x = 47,596,738,991,137,415,168/8,106,062,969.12 - Step 6: Final answer
x = 5,871,745,528.31
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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.