Finding the Fourth Proportional to 2,065,432,749.82, 2,850,306,847.12 and 1,173,408,424.12
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Solution
The fourth proportional to 2,065,432,749.82, 2,850,306,847.12 and 1,173,408,424.12 is: 1,619,309,108.97
Step by Step Solution
- Step 1: Write the proportion equation
2,065,432,749.82 : 2,850,306,847.12 = 1,173,408,424.12 : x - Step 2: Convert to fraction form
2,065,432,749.82/2,850,306,847.12 = 1,173,408,424.12/x - Step 3: Cross multiply
2,065,432,749.82x = 2,850,306,847.12 × 1,173,408,424.12 - Step 4: Simplify right side
2,065,432,749.82x = 3,344,574,065,742,471,168 - Step 5: Solve for x
x = 3,344,574,065,742,471,168/2,065,432,749.82 - Step 6: Final answer
x = 1,619,309,108.97
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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.