Finding the Fourth Proportional to 336,985,745.28, 505,665,138.24 and 164,463,987.84
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Solution
The fourth proportional to 336,985,745.28, 505,665,138.24 and 164,463,987.84 is: 246,787,011.95
Step by Step Solution
- Step 1: Write the proportion equation
336,985,745.28 : 505,665,138.24 = 164,463,987.84 : x - Step 2: Convert to fraction form
336,985,745.28/505,665,138.24 = 164,463,987.84/x - Step 3: Cross multiply
336,985,745.28x = 505,665,138.24 × 164,463,987.84 - Step 4: Simplify right side
336,985,745.28x = 83,163,705,146,615,280 - Step 5: Solve for x
x = 83,163,705,146,615,280/336,985,745.28 - Step 6: Final answer
x = 246,787,011.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.