Finding the Fourth Proportional to 4,187,989,809.20, 6,281,984,713.80 and 3,543,017,265.20
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Solution
The fourth proportional to 4,187,989,809.20, 6,281,984,713.80 and 3,543,017,265.20 is: 5,314,525,897.80
Step by Step Solution
- Step 1: Write the proportion equation
4,187,989,809.20 : 6,281,984,713.80 = 3,543,017,265.20 : x - Step 2: Convert to fraction form
4,187,989,809.20/6,281,984,713.80 = 3,543,017,265.20/x - Step 3: Cross multiply
4,187,989,809.20x = 6,281,984,713.80 × 3,543,017,265.20 - Step 4: Simplify right side
4,187,989,809.20x = 22,257,180,300,715,880,448 - Step 5: Solve for x
x = 22,257,180,300,715,880,448/4,187,989,809.20 - Step 6: Final answer
x = 5,314,525,897.80
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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.