Finding the Fourth Proportional to 437,034,943.80, 655,552,415.70 and 416,879,551.80
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Solution
The fourth proportional to 437,034,943.80, 655,552,415.70 and 416,879,551.80 is: 625,319,327.70
Step by Step Solution
- Step 1: Write the proportion equation
437,034,943.80 : 655,552,415.70 = 416,879,551.80 : x - Step 2: Convert to fraction form
437,034,943.80/655,552,415.70 = 416,879,551.80/x - Step 3: Cross multiply
437,034,943.80x = 655,552,415.70 × 416,879,551.80 - Step 4: Simplify right side
437,034,943.80x = 273,286,397,238,423,296 - Step 5: Solve for x
x = 273,286,397,238,423,296/437,034,943.80 - Step 6: Final answer
x = 625,319,327.70
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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.