Finding the Fourth Proportional to 2,646,509,162.60, 3,969,763,743.90 and 2,605,694,493.80
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Solution
The fourth proportional to 2,646,509,162.60, 3,969,763,743.90 and 2,605,694,493.80 is: 3,908,541,740.70
Step by Step Solution
- Step 1: Write the proportion equation
2,646,509,162.60 : 3,969,763,743.90 = 2,605,694,493.80 : x - Step 2: Convert to fraction form
2,646,509,162.60/3,969,763,743.90 = 2,605,694,493.80/x - Step 3: Cross multiply
2,646,509,162.60x = 3,969,763,743.90 × 2,605,694,493.80 - Step 4: Simplify right side
2,646,509,162.60x = 10,343,991,529,167,104,000 - Step 5: Solve for x
x = 10,343,991,529,167,104,000/2,646,509,162.60 - Step 6: Final answer
x = 3,908,541,740.70
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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.