Finding the Fourth Proportional to 4,484,930,582.80, 6,727,395,874.20 and 2,155,305,815.20
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Solution
The fourth proportional to 4,484,930,582.80, 6,727,395,874.20 and 2,155,305,815.20 is: 3,232,958,722.80
Step by Step Solution
- Step 1: Write the proportion equation
4,484,930,582.80 : 6,727,395,874.20 = 2,155,305,815.20 : x - Step 2: Convert to fraction form
4,484,930,582.80/6,727,395,874.20 = 2,155,305,815.20/x - Step 3: Cross multiply
4,484,930,582.80x = 6,727,395,874.20 × 2,155,305,815.20 - Step 4: Simplify right side
4,484,930,582.80x = 14,499,595,448,815,745,024 - Step 5: Solve for x
x = 14,499,595,448,815,745,024/4,484,930,582.80 - Step 6: Final answer
x = 3,232,958,722.80
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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.