Finding the Fourth Proportional to 383,869,093.48, 529,737,753.38 and 207,656,654.46
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Solution
The fourth proportional to 383,869,093.48, 529,737,753.38 and 207,656,654.46 is: 286,565,319.99
Step by Step Solution
- Step 1: Write the proportion equation
383,869,093.48 : 529,737,753.38 = 207,656,654.46 : x - Step 2: Convert to fraction form
383,869,093.48/529,737,753.38 = 207,656,654.46/x - Step 3: Cross multiply
383,869,093.48x = 529,737,753.38 × 207,656,654.46 - Step 4: Simplify right side
383,869,093.48x = 110,003,569,608,047,360 - Step 5: Solve for x
x = 110,003,569,608,047,360/383,869,093.48 - Step 6: Final answer
x = 286,565,319.99
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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.