Finding the Fourth Proportional to 3,188,103,623,990, 4,782,155,435,985 and 3,188,103,623,990
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Solution
The fourth proportional to 3,188,103,623,990, 4,782,155,435,985 and 3,188,103,623,990 is: 4,782,155,435,985
Step by Step Solution
- Step 1: Write the proportion equation
3,188,103,623,990 : 4,782,155,435,985 = 3,188,103,623,990 : x - Step 2: Convert to fraction form
3,188,103,623,990/4,782,155,435,985 = 3,188,103,623,990/x - Step 3: Cross multiply
3,188,103,623,990x = 4,782,155,435,985 × 3,188,103,623,990 - Step 4: Simplify right side
3,188,103,623,990x = 15,246,007,075,947,256,267,931,648 - Step 5: Solve for x
x = 15,246,007,075,947,256,267,931,648/3,188,103,623,990 - Step 6: Final answer
x = 4,782,155,435,985
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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.