Finding the Fourth Proportional to 2,792,650,476.62, 4,187,715,117.14 and 800,236,812.80
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Solution
The fourth proportional to 2,792,650,476.62, 4,187,715,117.14 and 800,236,812.80 is: 1,199,993,993.63
Step by Step Solution
- Step 1: Write the proportion equation
2,792,650,476.62 : 4,187,715,117.14 = 800,236,812.80 : x - Step 2: Convert to fraction form
2,792,650,476.62/4,187,715,117.14 = 800,236,812.80/x - Step 3: Cross multiply
2,792,650,476.62x = 4,187,715,117.14 × 800,236,812.80 - Step 4: Simplify right side
2,792,650,476.62x = 3,351,163,798,254,492,160 - Step 5: Solve for x
x = 3,351,163,798,254,492,160/2,792,650,476.62 - Step 6: Final answer
x = 1,199,993,993.63
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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.