Finding the Fourth Proportional to 383,869,097.98, 529,737,759.60 and 207,656,658.97
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Solution
The fourth proportional to 383,869,097.98, 529,737,759.60 and 207,656,658.97 is: 286,565,326.22
Step by Step Solution
- Step 1: Write the proportion equation
383,869,097.98 : 529,737,759.60 = 207,656,658.97 : x - Step 2: Convert to fraction form
383,869,097.98/529,737,759.60 = 207,656,658.97/x - Step 3: Cross multiply
383,869,097.98x = 529,737,759.60 × 207,656,658.97 - Step 4: Simplify right side
383,869,097.98x = 110,003,573,288,789,040 - Step 5: Solve for x
x = 110,003,573,288,789,040/383,869,097.98 - Step 6: Final answer
x = 286,565,326.22
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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.