Finding the Fourth Proportional to 13,257,037,779.12, 19,888,176,286.08 and 4,863,021,354.99
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Solution
The fourth proportional to 13,257,037,779.12, 19,888,176,286.08 and 4,863,021,354.99 is: 7,295,492,975.31
Step by Step Solution
- Step 1: Write the proportion equation
13,257,037,779.12 : 19,888,176,286.08 = 4,863,021,354.99 : x - Step 2: Convert to fraction form
13,257,037,779.12/19,888,176,286.08 = 4,863,021,354.99/x - Step 3: Cross multiply
13,257,037,779.12x = 19,888,176,286.08 × 4,863,021,354.99 - Step 4: Simplify right side
13,257,037,779.12x = 96,716,625,991,012,745,216 - Step 5: Solve for x
x = 96,716,625,991,012,745,216/13,257,037,779.12 - Step 6: Final answer
x = 7,295,492,975.31
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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.