Finding the Fourth Proportional to 2,918,795,206.20, 4,378,192,809.30 and 2,428,062,586.80
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Solution
The fourth proportional to 2,918,795,206.20, 4,378,192,809.30 and 2,428,062,586.80 is: 3,642,093,880.20
Step by Step Solution
- Step 1: Write the proportion equation
2,918,795,206.20 : 4,378,192,809.30 = 2,428,062,586.80 : x - Step 2: Convert to fraction form
2,918,795,206.20/4,378,192,809.30 = 2,428,062,586.80/x - Step 3: Cross multiply
2,918,795,206.20x = 4,378,192,809.30 × 2,428,062,586.80 - Step 4: Simplify right side
2,918,795,206.20x = 10,630,526,158,058,119,168 - Step 5: Solve for x
x = 10,630,526,158,058,119,168/2,918,795,206.20 - Step 6: Final answer
x = 3,642,093,880.20
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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.