Finding the Fourth Proportional to 5,196,343,074.80, 7,794,514,612.20 and 3,124,998,633.20
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Solution
The fourth proportional to 5,196,343,074.80, 7,794,514,612.20 and 3,124,998,633.20 is: 4,687,497,949.80
Step by Step Solution
- Step 1: Write the proportion equation
5,196,343,074.80 : 7,794,514,612.20 = 3,124,998,633.20 : x - Step 2: Convert to fraction form
5,196,343,074.80/7,794,514,612.20 = 3,124,998,633.20/x - Step 3: Cross multiply
5,196,343,074.80x = 7,794,514,612.20 × 3,124,998,633.20 - Step 4: Simplify right side
5,196,343,074.80x = 24,357,847,509,582,426,112 - Step 5: Solve for x
x = 24,357,847,509,582,426,112/5,196,343,074.80 - Step 6: Final answer
x = 4,687,497,949.80
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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.