Finding the Fourth Proportional to 1,539,657,467.70, 2,309,486,201.55 and 1,526,052,578.10
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Solution
The fourth proportional to 1,539,657,467.70, 2,309,486,201.55 and 1,526,052,578.10 is: 2,289,078,867.15
Step by Step Solution
- Step 1: Write the proportion equation
1,539,657,467.70 : 2,309,486,201.55 = 1,526,052,578.10 : x - Step 2: Convert to fraction form
1,539,657,467.70/2,309,486,201.55 = 1,526,052,578.10/x - Step 3: Cross multiply
1,539,657,467.70x = 2,309,486,201.55 × 1,526,052,578.10 - Step 4: Simplify right side
1,539,657,467.70x = 3,524,397,371,961,753,600 - Step 5: Solve for x
x = 3,524,397,371,961,753,600/1,539,657,467.70 - Step 6: Final answer
x = 2,289,078,867.15
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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.