Finding the Fourth Proportional to 313,980,408.48, 470,983,598.64 and 92,651,749.92
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Solution
The fourth proportional to 313,980,408.48, 470,983,598.64 and 92,651,749.92 is: 138,981,456.86
Step by Step Solution
- Step 1: Write the proportion equation
313,980,408.48 : 470,983,598.64 = 92,651,749.92 : x - Step 2: Convert to fraction form
313,980,408.48/470,983,598.64 = 92,651,749.92/x - Step 3: Cross multiply
313,980,408.48x = 470,983,598.64 × 92,651,749.92 - Step 4: Simplify right side
313,980,408.48x = 43,637,454,597,614,928 - Step 5: Solve for x
x = 43,637,454,597,614,928/313,980,408.48 - Step 6: Final answer
x = 138,981,456.86
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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.