Finding the Fourth Proportional to 489,120,652.52, 674,989,435.84 and 266,103,933.96
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Solution
The fourth proportional to 489,120,652.52, 674,989,435.84 and 266,103,933.96 is: 367,225,025.84
Step by Step Solution
- Step 1: Write the proportion equation
489,120,652.52 : 674,989,435.84 = 266,103,933.96 : x - Step 2: Convert to fraction form
489,120,652.52/674,989,435.84 = 266,103,933.96/x - Step 3: Cross multiply
489,120,652.52x = 674,989,435.84 × 266,103,933.96 - Step 4: Simplify right side
489,120,652.52x = 179,617,344,258,465,024 - Step 5: Solve for x
x = 179,617,344,258,465,024/489,120,652.52 - Step 6: Final answer
x = 367,225,025.84
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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.