Finding the Fourth Proportional to 797,202,439.60, 1,195,803,659.40 and 668,207,930.80
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Solution
The fourth proportional to 797,202,439.60, 1,195,803,659.40 and 668,207,930.80 is: 1,002,311,896.20
Step by Step Solution
- Step 1: Write the proportion equation
797,202,439.60 : 1,195,803,659.40 = 668,207,930.80 : x - Step 2: Convert to fraction form
797,202,439.60/1,195,803,659.40 = 668,207,930.80/x - Step 3: Cross multiply
797,202,439.60x = 1,195,803,659.40 × 668,207,930.80 - Step 4: Simplify right side
797,202,439.60x = 799,045,488,890,742,016 - Step 5: Solve for x
x = 799,045,488,890,742,016/797,202,439.60 - Step 6: Final answer
x = 1,002,311,896.20
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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.