Finding the Fourth Proportional to 1,794,457,372.80, 2,694,457,425.60 and 978,163,996.80
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Solution
The fourth proportional to 1,794,457,372.80, 2,694,457,425.60 and 978,163,996.80 is: 1,468,756,675.18
Step by Step Solution
- Step 1: Write the proportion equation
1,794,457,372.80 : 2,694,457,425.60 = 978,163,996.80 : x - Step 2: Convert to fraction form
1,794,457,372.80/2,694,457,425.60 = 978,163,996.80/x - Step 3: Cross multiply
1,794,457,372.80x = 2,694,457,425.60 × 978,163,996.80 - Step 4: Simplify right side
1,794,457,372.80x = 2,635,621,244,632,334,336 - Step 5: Solve for x
x = 2,635,621,244,632,334,336/1,794,457,372.80 - Step 6: Final answer
x = 1,468,756,675.18
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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.