Finding the Fourth Proportional to 1,515,027,269.70, 2,092,181,549.85 and 1,432,489,734.18
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Solution
The fourth proportional to 1,515,027,269.70, 2,092,181,549.85 and 1,432,489,734.18 is: 1,978,201,087.29
Step by Step Solution
- Step 1: Write the proportion equation
1,515,027,269.70 : 2,092,181,549.85 = 1,432,489,734.18 : x - Step 2: Convert to fraction form
1,515,027,269.70/2,092,181,549.85 = 1,432,489,734.18/x - Step 3: Cross multiply
1,515,027,269.70x = 2,092,181,549.85 × 1,432,489,734.18 - Step 4: Simplify right side
1,515,027,269.70x = 2,997,028,592,200,926,720 - Step 5: Solve for x
x = 2,997,028,592,200,926,720/1,515,027,269.70 - Step 6: Final answer
x = 1,978,201,087.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.