Finding the Fourth Proportional to 3,779,142,045.80, 5,668,713,068.70 and 2,860,811,997.80
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Solution
The fourth proportional to 3,779,142,045.80, 5,668,713,068.70 and 2,860,811,997.80 is: 4,291,217,996.70
Step by Step Solution
- Step 1: Write the proportion equation
3,779,142,045.80 : 5,668,713,068.70 = 2,860,811,997.80 : x - Step 2: Convert to fraction form
3,779,142,045.80/5,668,713,068.70 = 2,860,811,997.80/x - Step 3: Cross multiply
3,779,142,045.80x = 5,668,713,068.70 × 2,860,811,997.80 - Step 4: Simplify right side
3,779,142,045.80x = 16,217,122,359,022,616,576 - Step 5: Solve for x
x = 16,217,122,359,022,616,576/3,779,142,045.80 - Step 6: Final answer
x = 4,291,217,996.70
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Double scale
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Similar ratio
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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.