Finding the Fourth Proportional to 520,062,516.05, 780,125,552.00 and 174,987,171.41
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Solution
The fourth proportional to 520,062,516.05, 780,125,552.00 and 174,987,171.41 is: 262,491,449.54
Step by Step Solution
- Step 1: Write the proportion equation
520,062,516.05 : 780,125,552.00 = 174,987,171.41 : x - Step 2: Convert to fraction form
520,062,516.05/780,125,552.00 = 174,987,171.41/x - Step 3: Cross multiply
520,062,516.05x = 780,125,552.00 × 174,987,171.41 - Step 4: Simplify right side
520,062,516.05x = 136,511,963,688,269,936 - Step 5: Solve for x
x = 136,511,963,688,269,936/520,062,516.05 - Step 6: Final answer
x = 262,491,449.54
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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.