Finding the Fourth Proportional to 1,617,530,284.80, 2,426,295,427.20 and 882,866,246.40
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Solution
The fourth proportional to 1,617,530,284.80, 2,426,295,427.20 and 882,866,246.40 is: 1,324,299,369.60
Step by Step Solution
- Step 1: Write the proportion equation
1,617,530,284.80 : 2,426,295,427.20 = 882,866,246.40 : x - Step 2: Convert to fraction form
1,617,530,284.80/2,426,295,427.20 = 882,866,246.40/x - Step 3: Cross multiply
1,617,530,284.80x = 2,426,295,427.20 × 882,866,246.40 - Step 4: Simplify right side
1,617,530,284.80x = 2,142,094,336,469,548,288 - Step 5: Solve for x
x = 2,142,094,336,469,548,288/1,617,530,284.80 - Step 6: Final answer
x = 1,324,299,369.60
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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.