Finding the Fourth Proportional to 6,438,528,084.60, 9,657,792,126.90 and 6,257,129,556.60
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Solution
The fourth proportional to 6,438,528,084.60, 9,657,792,126.90 and 6,257,129,556.60 is: 9,385,694,334.90
Step by Step Solution
- Step 1: Write the proportion equation
6,438,528,084.60 : 9,657,792,126.90 = 6,257,129,556.60 : x - Step 2: Convert to fraction form
6,438,528,084.60/9,657,792,126.90 = 6,257,129,556.60/x - Step 3: Cross multiply
6,438,528,084.60x = 9,657,792,126.90 × 6,257,129,556.60 - Step 4: Simplify right side
6,438,528,084.60x = 60,430,056,568,724,766,720 - Step 5: Solve for x
x = 60,430,056,568,724,766,720/6,438,528,084.60 - Step 6: Final answer
x = 9,385,694,334.90
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1.5x scale
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.