Finding the Fourth Proportional to 1,635,165,745.80, 2,452,748,618.70 and 806,516,366.55
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Solution
The fourth proportional to 1,635,165,745.80, 2,452,748,618.70 and 806,516,366.55 is: 1,209,774,549.83
Step by Step Solution
- Step 1: Write the proportion equation
1,635,165,745.80 : 2,452,748,618.70 = 806,516,366.55 : x - Step 2: Convert to fraction form
1,635,165,745.80/2,452,748,618.70 = 806,516,366.55/x - Step 3: Cross multiply
1,635,165,745.80x = 2,452,748,618.70 × 806,516,366.55 - Step 4: Simplify right side
1,635,165,745.80x = 1,978,181,904,014,455,040 - Step 5: Solve for x
x = 1,978,181,904,014,455,040/1,635,165,745.80 - Step 6: Final answer
x = 1,209,774,549.83
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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.