Finding the Fourth Proportional to 1,817,642,899.20, 2,726,464,348.80 and 1,593,162,220.80
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Solution
The fourth proportional to 1,817,642,899.20, 2,726,464,348.80 and 1,593,162,220.80 is: 2,389,743,331.20
Step by Step Solution
- Step 1: Write the proportion equation
1,817,642,899.20 : 2,726,464,348.80 = 1,593,162,220.80 : x - Step 2: Convert to fraction form
1,817,642,899.20/2,726,464,348.80 = 1,593,162,220.80/x - Step 3: Cross multiply
1,817,642,899.20x = 2,726,464,348.80 × 1,593,162,220.80 - Step 4: Simplify right side
1,817,642,899.20x = 4,343,699,996,866,233,856 - Step 5: Solve for x
x = 4,343,699,996,866,233,856/1,817,642,899.20 - Step 6: Final answer
x = 2,389,743,331.20
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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.