Finding the Fourth Proportional to 2,911,557,704.40, 4,367,336,556.60 and 1,809,561,646.80
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Solution
The fourth proportional to 2,911,557,704.40, 4,367,336,556.60 and 1,809,561,646.80 is: 2,714,342,470.20
Step by Step Solution
- Step 1: Write the proportion equation
2,911,557,704.40 : 4,367,336,556.60 = 1,809,561,646.80 : x - Step 2: Convert to fraction form
2,911,557,704.40/4,367,336,556.60 = 1,809,561,646.80/x - Step 3: Cross multiply
2,911,557,704.40x = 4,367,336,556.60 × 1,809,561,646.80 - Step 4: Simplify right side
2,911,557,704.40x = 7,902,964,731,490,937,856 - Step 5: Solve for x
x = 7,902,964,731,490,937,856/2,911,557,704.40 - Step 6: Final answer
x = 2,714,342,470.20
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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.