Finding the Fourth Proportional to 11,543,844,235.21, 15,931,161,486.88 and 6,463,163,720.41
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Solution
The fourth proportional to 11,543,844,235.21, 15,931,161,486.88 and 6,463,163,720.41 is: 8,919,533,462.86
Step by Step Solution
- Step 1: Write the proportion equation
11,543,844,235.21 : 15,931,161,486.88 = 6,463,163,720.41 : x - Step 2: Convert to fraction form
11,543,844,235.21/15,931,161,486.88 = 6,463,163,720.41/x - Step 3: Cross multiply
11,543,844,235.21x = 15,931,161,486.88 × 6,463,163,720.41 - Step 4: Simplify right side
11,543,844,235.21x = 102,965,704,945,936,646,144 - Step 5: Solve for x
x = 102,965,704,945,936,646,144/11,543,844,235.21 - Step 6: Final answer
x = 8,919,533,462.86
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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.