Finding the Fourth Proportional to 2,590,393,517.52, 3,574,743,055 and 1,400,962,478.08
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Solution
The fourth proportional to 2,590,393,517.52, 3,574,743,055 and 1,400,962,478.08 is: 1,933,328,220.20
Step by Step Solution
- Step 1: Write the proportion equation
2,590,393,517.52 : 3,574,743,055 = 1,400,962,478.08 : x - Step 2: Convert to fraction form
2,590,393,517.52/3,574,743,055 = 1,400,962,478.08/x - Step 3: Cross multiply
2,590,393,517.52x = 3,574,743,055 × 1,400,962,478.08 - Step 4: Simplify right side
2,590,393,517.52x = 5,008,080,888,832,069,632 - Step 5: Solve for x
x = 5,008,080,888,832,069,632/2,590,393,517.52 - Step 6: Final answer
x = 1,933,328,220.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.