Finding the Fourth Proportional to 5,473,119,786.30, 8,209,679,679.45 and 4,784,372,250.30
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Solution
The fourth proportional to 5,473,119,786.30, 8,209,679,679.45 and 4,784,372,250.30 is: 7,176,558,375.45
Step by Step Solution
- Step 1: Write the proportion equation
5,473,119,786.30 : 8,209,679,679.45 = 4,784,372,250.30 : x - Step 2: Convert to fraction form
5,473,119,786.30/8,209,679,679.45 = 4,784,372,250.30/x - Step 3: Cross multiply
5,473,119,786.30x = 8,209,679,679.45 × 4,784,372,250.30 - Step 4: Simplify right side
5,473,119,786.30x = 39,278,163,642,212,376,576 - Step 5: Solve for x
x = 39,278,163,642,212,376,576/5,473,119,786.30 - Step 6: Final answer
x = 7,176,558,375.45
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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.