Finding the Fourth Proportional to 4,484,930,658.30, 6,727,395,987.45 and 2,155,305,890.70
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Solution
The fourth proportional to 4,484,930,658.30, 6,727,395,987.45 and 2,155,305,890.70 is: 3,232,958,836.05
Step by Step Solution
- Step 1: Write the proportion equation
4,484,930,658.30 : 6,727,395,987.45 = 2,155,305,890.70 : x - Step 2: Convert to fraction form
4,484,930,658.30/6,727,395,987.45 = 2,155,305,890.70/x - Step 3: Cross multiply
4,484,930,658.30x = 6,727,395,987.45 × 2,155,305,890.70 - Step 4: Simplify right side
4,484,930,658.30x = 14,499,596,200,822,525,952 - Step 5: Solve for x
x = 14,499,596,200,822,525,952/4,484,930,658.30 - Step 6: Final answer
x = 3,232,958,836.05
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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.