Finding the Fourth Proportional to 383,869,091.20, 529,737,750.28 and 207,656,652.19
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Solution
The fourth proportional to 383,869,091.20, 529,737,750.28 and 207,656,652.19 is: 286,565,316.88
Step by Step Solution
- Step 1: Write the proportion equation
383,869,091.20 : 529,737,750.28 = 207,656,652.19 : x - Step 2: Convert to fraction form
383,869,091.20/529,737,750.28 = 207,656,652.19/x - Step 3: Cross multiply
383,869,091.20x = 529,737,750.28 × 207,656,652.19 - Step 4: Simplify right side
383,869,091.20x = 110,003,567,761,807,024 - Step 5: Solve for x
x = 110,003,567,761,807,024/383,869,091.20 - Step 6: Final answer
x = 286,565,316.88
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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.