Finding the Fourth Proportional to 10,008,018,372.99, 13,811,276,348.58 and 5,491,857,922.81
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Solution
The fourth proportional to 10,008,018,372.99, 13,811,276,348.58 and 5,491,857,922.81 is: 7,578,879,715.46
Step by Step Solution
- Step 1: Write the proportion equation
10,008,018,372.99 : 13,811,276,348.58 = 5,491,857,922.81 : x - Step 2: Convert to fraction form
10,008,018,372.99/13,811,276,348.58 = 5,491,857,922.81/x - Step 3: Cross multiply
10,008,018,372.99x = 13,811,276,348.58 × 5,491,857,922.81 - Step 4: Simplify right side
10,008,018,372.99x = 75,849,567,439,054,880,768 - Step 5: Solve for x
x = 75,849,567,439,054,880,768/10,008,018,372.99 - Step 6: Final answer
x = 7,578,879,715.46
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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.