Finding the Fourth Proportional to 8,461,368,277.20, 12,692,052,415.80 and 8,461,368,277.20
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Solution
The fourth proportional to 8,461,368,277.20, 12,692,052,415.80 and 8,461,368,277.20 is: 12,692,052,415.80
Step by Step Solution
- Step 1: Write the proportion equation
8,461,368,277.20 : 12,692,052,415.80 = 8,461,368,277.20 : x - Step 2: Convert to fraction form
8,461,368,277.20/12,692,052,415.80 = 8,461,368,277.20/x - Step 3: Cross multiply
8,461,368,277.20x = 12,692,052,415.80 × 8,461,368,277.20 - Step 4: Simplify right side
8,461,368,277.20x = 107,392,129,683,609,731,072 - Step 5: Solve for x
x = 107,392,129,683,609,731,072/8,461,368,277.20 - Step 6: Final answer
x = 12,692,052,415.80
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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.