Finding the Fourth Proportional to 3,188,103,628,257, 4,782,155,442,385 and 3,188,103,628,257
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Solution
The fourth proportional to 3,188,103,628,257, 4,782,155,442,385 and 3,188,103,628,257 is: 4,782,155,442,385
Step by Step Solution
- Step 1: Write the proportion equation
3,188,103,628,257 : 4,782,155,442,385 = 3,188,103,628,257 : x - Step 2: Convert to fraction form
3,188,103,628,257/4,782,155,442,385 = 3,188,103,628,257/x - Step 3: Cross multiply
3,188,103,628,257x = 4,782,155,442,385 × 3,188,103,628,257 - Step 4: Simplify right side
3,188,103,628,257x = 15,246,007,116,756,577,373,126,656 - Step 5: Solve for x
x = 15,246,007,116,756,577,373,126,656/3,188,103,628,257 - Step 6: Final answer
x = 4,782,155,442,385
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.