Finding the Fourth Proportional to 13,257,037,780.12, 19,888,176,287.58 and 4,863,021,355.99
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Solution
The fourth proportional to 13,257,037,780.12, 19,888,176,287.58 and 4,863,021,355.99 is: 7,295,492,976.81
Step by Step Solution
- Step 1: Write the proportion equation
13,257,037,780.12 : 19,888,176,287.58 = 4,863,021,355.99 : x - Step 2: Convert to fraction form
13,257,037,780.12/19,888,176,287.58 = 4,863,021,355.99/x - Step 3: Cross multiply
13,257,037,780.12x = 19,888,176,287.58 × 4,863,021,355.99 - Step 4: Simplify right side
13,257,037,780.12x = 96,716,626,018,195,456,000 - Step 5: Solve for x
x = 96,716,626,018,195,456,000/13,257,037,780.12 - Step 6: Final answer
x = 7,295,492,976.81
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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.