Finding the Fourth Proportional to 2,726,464,348.80, 4,089,696,523.20 and 2,389,743,331.20
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Solution
The fourth proportional to 2,726,464,348.80, 4,089,696,523.20 and 2,389,743,331.20 is: 3,584,614,996.80
Step by Step Solution
- Step 1: Write the proportion equation
2,726,464,348.80 : 4,089,696,523.20 = 2,389,743,331.20 : x - Step 2: Convert to fraction form
2,726,464,348.80/4,089,696,523.20 = 2,389,743,331.20/x - Step 3: Cross multiply
2,726,464,348.80x = 4,089,696,523.20 × 2,389,743,331.20 - Step 4: Simplify right side
2,726,464,348.80x = 9,773,324,992,949,024,768 - Step 5: Solve for x
x = 9,773,324,992,949,024,768/2,726,464,348.80 - Step 6: Final answer
x = 3,584,614,996.80
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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.