Finding the Fourth Proportional to 3,779,263,412.20, 5,668,895,118.30 and 2,146,676,660.20
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Solution
The fourth proportional to 3,779,263,412.20, 5,668,895,118.30 and 2,146,676,660.20 is: 3,220,014,990.30
Step by Step Solution
- Step 1: Write the proportion equation
3,779,263,412.20 : 5,668,895,118.30 = 2,146,676,660.20 : x - Step 2: Convert to fraction form
3,779,263,412.20/5,668,895,118.30 = 2,146,676,660.20/x - Step 3: Cross multiply
3,779,263,412.20x = 5,668,895,118.30 × 2,146,676,660.20 - Step 4: Simplify right side
3,779,263,412.20x = 12,169,284,839,576,328,192 - Step 5: Solve for x
x = 12,169,284,839,576,328,192/3,779,263,412.20 - Step 6: Final answer
x = 3,220,014,990.30
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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.