Finding the Fourth Proportional to 3,540,430,829.80, 5,310,646,244.70 and 1,907,844,077.80
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Solution
The fourth proportional to 3,540,430,829.80, 5,310,646,244.70 and 1,907,844,077.80 is: 2,861,766,116.70
Step by Step Solution
- Step 1: Write the proportion equation
3,540,430,829.80 : 5,310,646,244.70 = 1,907,844,077.80 : x - Step 2: Convert to fraction form
3,540,430,829.80/5,310,646,244.70 = 1,907,844,077.80/x - Step 3: Cross multiply
3,540,430,829.80x = 5,310,646,244.70 × 1,907,844,077.80 - Step 4: Simplify right side
3,540,430,829.80x = 10,131,884,987,241,703,424 - Step 5: Solve for x
x = 10,131,884,987,241,703,424/3,540,430,829.80 - Step 6: Final answer
x = 2,861,766,116.70
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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.